**Exhibit3.126(b)**

**FIFTHAMENDMENT TOWHITE OAK LIMITED PARTNERSHIP AGREEMENT**

ThisFIFTH AMENDMENT TO WHITE OAK LIMITED PARTNERSHIP AGREEMENT is made as of July1, 2006, between KIMBALL HILL, INC. (“KHI”), an Illinois corporation, andKIMBALL HILL HOMES ILLINOIS, L.L.C. (“KHH Illinois”), an Illinois limitedliability company.

KHI,as General Partner, and Kimball Hill Development Company (“KHDC”), an Illinoiscorporation, as Limited Partner, entered into the Hunters Ridge LimitedPartnership Agreement effective as of March 7, 2003.  Subsequently, KHI and KHDC entered into thecertain First Amendment to Hunters Ridge Limited Partnership Agreementeffective as of September 1, 2003 and the certain Second Amendment to White Oak(f/k/a Hunters Ridge) Limited Partnership Agreement effective as of March 19,2005.  Thereafter, KHI assigned andtransferred to KHH Illinois, and KHH Illinois assumed, all of KHI’s generalpartnership interests as provided in the certain Assignment and Assumption ofGeneral Partnership Interest effective as of April 30, 2004.  Subsequently, KHH IL and KHDC entered intothe certain Third Amendment to White Oak Limited Partnership Agreementeffective as of July 1, 2005. Subsequently, KHDC assigned and transferred to KHI, and KHI assumed, allof KHDC’s limited partnership interests as provided in the certain Assignmentand Assumption of Limited Partnership Interest effective as of September 28,2005.  Thereafter, KHI and KHH Illinoisentered into the Fourth Amendment to White Oak Limited Partnership Agreementeffective December 13, 2005.

KHI(hereinafter called the “Limited Partner”) and KHH Illinois (hereinafter calledthe “General Partner”) wish to further amend the White Oak Limited PartnershipAgreement as provided hereinafter.

NOW,THEREFORE, the General Partner and the Limited Partner hereby amend ArticleVIII of the White Oak Limited Partnership Agreement by deleting Article VIII inits entirety and replacing it with the following new Article VIII:

**ARTICLEVIIIMANAGEMENT AND INDEMNIFICATION**

**Section 8.1            Authorityof General Partner**

The General Partner shallhave sole authority to manage the business and affairs of the Partnership,which authority shall be delegated as provided in this Agreement.  Subject to the limitations in this Agreement,the General Partner shall have the authority to take any action it deems to benecessary or appropriate in connection with the business and affairs of thePartnership, including without limitation the power and authority to:

8.1.1        acquire by purchase, lease, orotherwise, any real or personal property, tangible or intangible and to dealwith, purchase, sell, mortgage, transfer, assign or otherwise dispose of anyand all of the assets of the Partnership;

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8.1.2        construct, operate, maintain, finance,and improve, and to own, sell, convey, assign, mortgage, or lease any realestate and any personal property;

8.1.3        sell, dispose, trade, or exchangePartnership assets in the ordinary course of the Partnership’s business;

8.1.4        enter into agreements and contracts andto give receipts, releases, and discharges;

8.1.5        purchase liability and other insuranceto protect the Partnership’s properties and business;

8.1.6        execute or modify leases with respect toany part or all of the assets of the Partnership;

8.1.7        prepay, in whole or in part, refinance,amend, mod­ify, or extend any mortgages, trust deeds or security agreementswhich may affect any asset of the Partnership and in connection therewith toexe­cute for and on behalf of the Partnership any extensions, renewals, ormodifications of such mortgages, trust deeds or security agreements;

8.1.8        execute any and all other instrumentsand docu­ments which may be necessary or in the opinion of the General Partnerdesirable to carry out the intent and purpose of this Agreement, including, butnot limited to, documents whose operation and effect extend beyond the term ofthe Partnership;

8.1.9        make any and all expenditures which theGeneral Partner, in its sole discretion, or in the discretion of the parties towhom the General Partner has delegated the authority to act for the Partnershipas provided for above, deems necessary or appropriate in connection with themanagement of the affairs of the Partnership and the carrying out of itsobligations and responsibilities under this Agreement, including, withoutlimitation, all legal, accounting and other related expenses incurred inconnection with the organization and financing and operation of thePartnership;

8.1.10      enter into any kind of activity necessaryto, in con­nection with, or incidental to, the accomplishment of the purposesof the Partnership;

8.1.11      invest and reinvest Partnership reservesin short-term instruments or money market funds;

8.1.12      take any and all other action which ispermitted under law or which is customary or reasonably related to theoperation, management or conducting of the business or affairs of thePartnership, subject to the limitations expressly stated in this Agreement; andthe enumeration of powers in this Agreement shall not limit the general orimplied powers of the General Partner or any additional powers provided by law;

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8.1.13      take any and all action required toguarantee the indebtedness of Kimball Hill, Inc and/or its subsidiaries; and

8.1.14      delegate any or all of its authority andpowers as manager of the Partnership to the Management Committee.

**Section 8.2            Establishmentof Management Committee**

The General Partnerhereby establishes a committee (the “Management Committee”) and delegates tothe Management Committee the General Partner’s full power and authority torepresent the Partnership, to act in the name of the Partnership and to managethe business of the Partnership, including without limitation the powers andauthorities set forth in Section 8.1 of this Agreement.  Further, the General Partner herebyauthorizes the Management Committee to delegate its powers and authorities tothe officers or other managers of the Partnership.  In addition, the officers of the Partnershipdescribed in Section 8.5 shall have the powers and authorities set forththerein.  The officers of the Partnershipshall conduct the business operations and activities of the Partnership in amanner consistent with the policies adopted from time to time by the ManagementCommittee.

**Section 8.3            Compositionof Management Committee**

The Management Committee shall consist of threepersons (“Management Committee Members”), who shall be appointed from time totime by the General Partner.  The GeneralPartner hereby appoints David K. Hill, Eugene K. Rowehl and Hal H. Barber asthe Management Committee Members, effective as of the date of this FifthAmendment.  Each Management CommitteeMember shall hold office until his successor shall have been appointed by theGeneral Partner.  Management CommitteeMembers need not be residents of the state in which the Partnership isorganized.  Any vacancy occurring in theManagement Committee shall be filled by the General Partner.  The Management Committee from time to timeshall appoint officers of the Company to act for and on behalf of the Company.

**Section 8.4            Meetingsof Management Committee**

The Management Committeeshall meet at such times and places as a majority of the Management CommitteeMembers may designate from time to time. Notice of any meeting shall be given at least five days previous theretoby written notice mailed or telefaxed to each Management Committee Member athis business address, unless the giving of such notice is waived by suchManagement Committee Member.  The attendanceof a Management Committee Member at any meeting shall constitute a waiver ofnotice of such meeting.  Neither thebusiness to be transacted at, nor the purpose of, any meeting of the ManagementCommittee need be specified in the notice or waiver of notice of such meeting.

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**Section 8.5            Quorum**

A majority of theManagement Committee shall constitute a quorum for transaction of business atany meeting of the Management Committee. The act of the majority of the Management Committee Members present at ameeting at which a quorum is present shall be the act of the ManagementCommittee.  Any action which may be takenat a meeting of the Management Committee may be taken without a meeting if awritten consent, setting forth the action so taken, shall be signed by all theManagement Committee Members.  Anywritten consent signed by all the Management Committee Members shall have thesame effect as a unanimous vote, and may be stated as such in any documentreflecting action taken by the Management Committee.

**Section 8.6            Officersof the Partnership**

The officers of the Partnership shall be a chairmanand chief executive officer, one or more vice chairmen, a president, one ormore vice-presidents, a chief financial officer, a treasurer, a secretary, oneor more assistant treasurers and assistant secretaries, and such other officersas may be elected or appointed from time to time by the ManagementCommittee.  Any two or more offices maybe held by the same person.  Each officershall hold office until his successor shall have been duly elected or until hisdeath or until he shall resign or shall have been removed by the ManagementCommittee.  Election of an officer shallnot of itself create contract rights. Each officer shall have the power and authority, in his sole discretion,to delegate any and all of his duties and responsibilities as an officer of thePartnership.

(a)           Chairmanand Chief Executive Officer.  Subjectto the direction and control of the Management Committee, the chairman andchief executive officer shall be the chief executive officer of the Partnershipand shall have the following general duties and responsibilities:  be in charge of the business of thePartnership: see that the resolutions and directions of the ManagementCommittee are carried into effect except in those instances in which thatresponsibility is specifically assigned to some other person by the ManagementCommittee; and, in general, discharge all duties incident to the office ofchairman and such other duties as may be prescribed by the Management Committeefrom time to time.  The chairman shallpreside at all meetings of the Management Committee.  Except in those instances in which theauthority to execute is expressly delegated to another officer or agent of thePartnership or a different mode of execution is expressly prescribed by theManagement Committee, the chairman may execute for the Partnership anycontracts, deeds, mortgages, bonds, or other instruments which the ManagementCommittee has authorized to be executed.

(b)           ViceChairmen.  The vice chairman (or vicechairmen) shall assist the chairman in the discharge of his duties as thechairman may direct and shall perform such other duties as from time to timemay be assigned to him by the chairman or by the Management Committee.  Except in those instances in which theauthority to execute is expressly delegated to another officer or agent of thePartnership or a different mode of execution is expressly prescribed by theManagement Committee, each vice chairman may execute for

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the Partnership any contracts, deeds, mortgages, bondsor other instruments which the Management Committee has authorized to beexecuted.

(c)           President.  The president shall assist the chairman inthe discharge of the chairman’s duties as the chairman may direct and shallperform such other duties as from time to time may be assigned to him by thechairman or by the Management Committee. In the absence of the chairman or in the event of his inability orrefusal to act, the president shall perform the duties of the chairman, andwhen so acting, shall have all the powers of the chairman.  Except in those instances in which theauthority to execute is expressly delegated to another officer or agent of thePartnership or a different mode of execution is expressly prescribed by theManagement Committee, the president may execute for the Partnership anycontracts, deeds, mortgages, bonds or other instruments which the ManagementCommittee has authorized to be executed.

(d)           VicePresidents.  Each of thevice-presidents shall assist the president in the discharge of the president’sduties as the president may direct and shall perform such other duties as fromtime to time may be assigned to him by the chairman, the president or theManagement Committee.  In the absence ofthe president or in the event of his inability or refusal to act, thevice-presidents in the order of seniority of tenure as vice-president shallperform the duties of the president, and when so acting, shall have all thepowers of the president.  Except in thoseinstances in which the authority to execute is expressly delegated to anotherofficer or agent of the Partnership or a different mode of execution isexpressly prescribed by the Management Committee, each of the vice-presidentsmay execute for the Partnership any contracts, deeds, mortgages, bonds or otherinstruments which the Management Committee has authorized to be executed.

(e)           ChiefFinancial Officer.  The chieffinancial officer shall be the principal financial and accounting officer ofthe Partnership.  He shall have charge ofand be responsible for the maintenance of adequate books of account for thePartnership, have charge and custody of all funds and securities of thePartnership and be responsible for the receipt and disbursement thereof, andperform all the duties incident to the office of chief financial officer andsuch other duties as from time to time may be assigned to him by the chairmanor the Management Committee.

(f)            Treasurer.  The treasurer shall be responsible for thePartnership’s cash management systems and procedures and the Partnership’sbanking and finance relationships with lenders and investors, and shall performall the duties incident to the office of treasurer and such other duties asfrom time to time may be assigned to him by the chairman or the ManagementCommittee.

(g)           Secretary.  The secretary shall record the minutes ofManagement Committee meetings or actions taken by unanimous consent of theManagement Committee, be custodian of the Partnership’s records, sign with thechairman or the president or a vice-president or any other officer authorizedby the Management Committee any contracts, deeds, mortgages, bonds or otherinstruments which the Management Committee has authorized to be executed,except when a different mode of execution is expressly

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prescribed by the Management Committee, and performall duties incident to the office of secretary and such other duties as fromtime to time may be assigned to him by the chairman, the president or theManagement Committee.

(h)           AssistantTreasurers.  The assistant treasurersshall perform such duties as shall be assigned to them by the chief financialofficer, the treasurer, the chairman, the president or the ManagementCommittee.

(i)            AssistantSecretaries.  The assistantsecretaries shall perform such duties as shall be assigned to them by thesecretary, the chairman, the president or the Management Committee.

**Section 8.7            Indemnification**

(a)           ThePartnership shall indemnify any person who was or is a party or is threatenedto be made a party to any threatened, pending or completed action, suit orproceeding, whether civil, criminal, administrative or investigative (otherthan an action by or in the right of the Partnership) by reason of the factthat he is or was a Partner, Management Committee Member, officer, employee oragent of the Partnership (collectively, an “Action”), against expenses(including attorneys’ fees), judgments, fines and amounts paid in settlementactually and reasonably incurred by him in connection with such Action if heacted in good faith and in a manner he reasonably believed to be in or notopposed to the best interests of the Partnership, and, with respect to anycriminal action or proceeding, had no reasonable cause to believe his conductwas unlawful.  The termination of anyAction by judgment or settlement, conviction or upon a plea of nolo contendereor its equivalent shall not, of itself, create a presumption that the persondid not act in good faith and in a manner which he reasonably believed to be inor not opposed to the best interests of the Partnership, and with respect toany criminal action or proceeding, had reasonable cause to believe that hisconduct was unlawful.

(b)           Anyindemnification under Section 8.7(a) shall be limited by the provisions of applicable law shall be made by thePartnership only as authorized in the specific case upon a determination thatindemnification of the Partner, Management Committee Member, officer, employeeor agent is proper in the circumstances because he has met the applicable standardof conduct set forth therein.  Suchdetermination shall be made (i) by the Management Committee by a majority voteof a quorum consisting of Management Committee Members who are not parties tosuch Action, or (ii) if directed by the Management Committee, by independentlegal counsel in a written opinion. Notwithstanding the foregoing, to the extent that a Partner, ManagementCommittee Member, officer, employee or agent of the Partnership has beensuccessful on the merits or otherwise in defense of any Action, or in defenseof any claim, issue or matter therein, he shall be indemnified against expenses(including attorneys’ fees) actually and reasonably incurred by him inconnection therewith.

(c)           Expenses(including attorneys’ fees) actually and reasonably incurred by a Partner,Management Committee Member, officer, employee or agent of the Partnership

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in connection with the defense or disposition of anyAction may be paid from time to time by the Partnership in advance of the finaldisposition thereof upon receipt of (i) an affidavit by such person of his goodfaith belief that he has met the standard of conduct necessary forindemnification under Section 8.7(a), and (ii) an undertaking by such person torepay to the Partnership the amounts so paid if it is ultimately determinedthat he is not entitled to indemnification as authorized in Section 8.7(a),which undertaking may be accepted by the Partnership without reference to thefinancial ability of such person to make repayment.

(d)           Ifboth the Partnership and any person to be indemnified are parties to an Action,legal counsel representing the Partnership therein may, at the request of suchperson, also represent such person (unless such dual representation wouldinvolve such legal counsel in a conflict of interest in violation of applicablelaw or principles of professional ethics), and the Partnership shall pay allfees and expenses of such legal counsel incurred during the period of dualrepresentation other than those, if any, that would not have been incurred iflegal counsel were representing only the Partnership.  Any allocation of fees and expenses betweenthe Partnership and such person made by legal counsel shall be final andbinding upon the Partnership and such person.

(e)           Theindemnification and advancement of expenses provided in this Section 8.7 shallnot be deemed exclusive of any other rights to which a Partner, ManagementCommittee Member, officer, employee or agent of the Partnership may be entitledunder any contract, agreement or otherwise, both as to action in his officialcapacity and as to action in another capacity while holding such position oroffice, and shall continue as to a person who has ceased to be a Partner,Management Committee Member, officer, employee or agent and shall inure to thebenefit of the heirs, executors and administrators of such person.

(f)            ThePartnership shall have power to purchase and maintain insurance on behalf ofany person who is or was a Partner, Management Committee Member, officer,employee or agent of the Partnership, or is or was serving at the request ofthe Partnership as a director, officer, employee or agent of anothercorporation, partnership, joint venture, trust or other enterprise against anyliability asserted against him and incurred by him in any such capacity, orarising out of his status as such, whether or not the Partnership would havethe power to indemnify him against such liability under the provisions of thisSection 8.7.

**Section 8.8            GeneralPartner Home Builder Expense Reimbursement**

In addition to any otherprovision in this Agreement with respect to sharing of profits andreimbursement and payment of expenses, the General Partner shall receive ageneral contractor and nonsite-specific cost reimbursement fee (“GeneralPartner Home Builder Expense Reimbursement”) from the Partnership payable atthe closing of the sale of each dwelling unit on the Property in the amount offive percent (5%) of the total, gross sales price for such unit.  This and any other reference in this Agreementto the total, gross sales price for each unit shall in all cases mean theamount actually paid by

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the purchaser of such unit and does not include anyupgrades or other similar items which are supplied to such purchaser at noadditional cost to be paid by such purchaser. The General Partner Home Builder Reimbursement shall constitute aPartnership expense for all purposes and not a profit or tier distribution tothe General Partner.  The General PartnerHome Builder Reimbursement may commence at any time during the term  of the Partnership.  If and while payments of First TierDistributions or Second Tier Distributions as defined and provided for inSection 15.2 below are not current, then payments of the General Partner HomeBuilder Expense Reimbursement shall be deferred until such First and SecondTier Distributions are current.  Underall circumstances and for all purposes, the General Partner Home BuilderExpense Reimbursement shall be subordinate to the First and Second TierDistributions.

**Section 8.9            LimitedPartner’s Liability**

The Limited Partner shallnot take part in the management of the business or transact any business forthe Partnership or have the power to sign for or to bind the Partnership to anyagreement or document.  Except as and tothe extent expressly set forth in this Agreement, the Limited Partner shall notbe subject to assessment nor shall the Limited Partner be personally liable asa Limited Partner for any of the debts of the Partnership or for any of thelosses thereof beyond the amount contributed by it as capital to thePartnership and its share of the undistributed profits of the Partnership,provided, however, that the Limited Partner shall be personally liable to theGeneral Partner with respect to the capital contributions required of theLimited Partner pursuant to the terms of this Agreement.

**Section 8.10         Requestsfor Information and Meetings**

(a)           Any Partner shall be entitled uponrequest, provided such request is made in good faith and for proper purpose, to(i) review and copy the books and records of the Partnership at reasonabletimes and at the location where the records are kept, (ii) obtain the list ofthe names and addresses of all the Partners, and (iii) have an accounting ofall Partnership affairs and finances.

(b)           The General Partner shall have adesignated employee available to meet monthly with a designated employee of theLimited Partner to discuss Partnership matters and to provide to the LimitedPartner monthly financial statements and sales and construction status reports.

**Section 8.11         NoGuaranty of Investment**

The Limited Partneracknowledges that its capital contributions are being made without any guarantyor representation by the General Partner of any particular return on investmentor of a return of its capital contribution and that such investment involves ahigh degree of risk which the Limited Partner is willing to assume.  All financial projections, proformas, profitssummary results calculations and the like delivered by the

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General Partner to the Limited Partner are strictlyfor projection purposes and are not guarantees of results.

IN WITNESS WHEREOF, the undersigned have executed thisFifth Amendment to Limited Partnership Agreement of White Oak LimitedPartnership as of the date first above written.
|        |   | GENERAL PARTNER:                            |
|--------|--------|---------------------------------------------|
|   |   |                                        |
|   |   | KIMBALL HILL  HOMES ILLINOIS, LLC,          |
|   |   |  an Illinois limited liability company |
|   |   |                                        |
|   |   |                                        |
|   |   | By:                                         | /s/ Eugene K. Rowehl |   |
|   |   |                                        | Eugene K. Rowehl |   |
|   |   |                                        | Chief Financial Officer |   |
|   |   |                                        |
|   |   |                                        |
|   |   | LIMITED PARTNER:                            |
|   |   |                                        |
|   |   | KIMBALL HILL,  INC.,                        |
|   |   |  an Illinois corporation               |
|   |   |                                        |
|   |   |                                        |
|   |   | By:                                         | /s/ Hal H. Barber |   |
|   |   |                                        | Hal H. Barber |   |
|   |   |                                        | Senior Vice President |   |

 

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