Document:

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                                                                   EXHIBIT 10.51

               IN THE COURT OF COMMON PLEAS OF LOGAN COUNTY, OHIO

Peoples Benefit Life Insurance Company            )
(Through Its Agent AEGON USA Realty               )
Advisors, Inc.) fka Providian Life and Health     )
Insurance Company fka National Home               )
Life Assurance Company,                           )
                                                  )
                        Plaintiff,                )    Case No. CV99-02-0035
                                                  )
     v.                                           )    Judge Mark S. O'Connor
                                                  )
Brunner Companies Income Properties L.P. III,     )
et al., c/o Brunner Management, L/P.              )
c/o Hull/Storey Development, LLC,                 )
                                                  )
                         Defendants.              )

                    MUTUAL RELEASE AND SETTLEMENT AGREEMENT

         This Mutual Release and Settlement Agreement entered into this 8th day
of December, 1999, by and between PEOPLES BENEFIT LIFE INSURANCE COMPANY, by
and through its agent, AEGON USA REALTY ADVISORS, INC., hereinafter referred to
as "Peoples", and BRUNNER COMPANIES INCOME PROPERTIES, L.P., III hereinafter
referred to as "Brunner".

W I T N E S S E T H:

         WHEREAS, Peoples has instituted action against Brunner in the Logan
County, Ohio Common Pleas Court, as Case No. CV99-02-0035.

         WHEREAS, Brunner has heretofore objected to any relief sought by
Peoples regarding any claims against Brunner for any non-recourse debt alleged
to have been owed to Peoples and secured by property of Brunner; and
<PAGE>   2
         WHEREAS, Peoples has heretofore sought and obtained a Summary Judgment
and Order of Sale of that certain property owned by Brunner and heretofore
given as security for a non-recourse debt to Peoples; and

         WHEREAS, Brunner is in possession of certain funds in which Peoples
maintains it has an interest and a portion of which Peoples alleges to be owed
by Brunner; and

         WHEREAS, the parties hereto are desirous of settling between them any
and all claims that have been made or could have been made by each against the
other in the above-styled civil action;

         NOW THEREFORE IN CONSIDERATION OF THE PREMISES, and the mutual
undertakings of the parties, the benefits of which shall flow each to the
other, the parties hereto do agree as follows:

                                       1.

         That Peoples has heretofore obtained a Summary Judgment and Order of
Sale in the aforesaid civil action, and pursuant thereto, a judicial sale of
the real property has occurred on October 20, 1999, and the same has been
confirmed by Order dated November 4, 1999.

                                       2.

         That Peoples shall enter a Notice of Satisfaction of Judgment in the
aforesaid civil action.

                                       3.

         That simultaneously with the execution of this Mutual Release and
Settlement Agreement, Brunner shall pay to Peoples the sum of Sixty-Two
Thousand Five Hundred ($62,500.00) Dollars and in consideration of such payment
and other valuable consideration, the sufficiency of which and the receipt of
which are hereby acknowledged, Peoples, its respective

                                      -2-
<PAGE>   3
officers, directors, employees, executors, administrators, agents, attorneys,
successors and assigns shall and do hereby release and discharge, and by these
presents do release and forever discharge Brunner, its respective officers,
directors, employees, executors, administrators, agents, attorneys, successors
and assigns, and all other persons, firms or corporations whomsoever of and
from all claims, demands, damages, action or causes of action resulting, or to
result, known and unknown, which have been asserted or could have been asserted
in the aforesaid civil action, except and to the extent that Brunner shall
receive any rental income, reimbursement, or other form of income in any way
related to the aforesaid real property subsequent to June 22, 1999, Brunner
shall be obligated to forthwith pay the same to Peoples.

                                       4.

         That simultaneously with the execution of this Mutual Release and
Settlement Agreement, and in consideration thereof, and other valuable
consideration, the sufficiency of which and the receipt of which are hereby
acknowledged, Brunner, its respective officers, directors, employees, executors,
administrators, agents, attorneys, successors and assigns shall and do hereby
release and discharge, and by these presents do release and forever discharge
Peoples, its respective officers, directors, employees, executors,
administrators, agents, attorneys, successors and assigns, and all other
persons, firms or corporations whomsoever, including Aegon USA Realty Advisors,
Inc., of and from all claims, demands, damages, action or causes of action
resulting, or to result, known and unknown, which have been asserted or could
have been asserted in the aforesaid civil action.

                                       5.

         That it is understood and agreed that this settlement is the compromise
of potential, doubtful and disputed claims and that this Mutual Release and
Settlement agreement is

                                      -3-
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not and shall not be construed to be an admission of liability or guilt on the
part of the parties hereby released.

                                       6.

         That this Mutual Release and Settlement Agreement is entered into by
and between the parties hereto without any party admitting any liability to the
other; all such liability being expressly denied.

                                       7.

         That the undersigned hereby declare that this Mutual Release and
Settlement agreement contains the entire understanding among the parties and
that the terms hereof have been completely read and are fully understood and
voluntarily accepted for the purpose of making a full compromise, adjustment and
settlement of all claims referred to above and for the express purpose of
precluding any future litigation based upon any such claims.

         Signed, sealed and delivered at Cedar Rapids, on this 8th day of
December, 1999.

                                       PEOPLES BENEFIT LIFE
                                       INSURANCE COMPANY

                                       By: /s/ Thomas L. Nordstrom
                                          --------------------------
                                       As its: Second Vice President

SWORN TO AND SUBSCRIBED BEFORE
ME THIS 8TH DAY OF DECEMBER, 1999,
IN THE PRESENCE OF:

/s/ Tamra L. Brus
---------------------------------
Tamra L. Brus

NOTARY PUBLIC STATE OF IA

                                      -4-

<PAGE>   5
                                             BRUNNER COMPANIES
                                             INCOME PROPERTIES, L.P., III

                                             By: /s/ James M. Hull
                                                -------------------------
                                             As its: Agent

SWORN TO AND SUBSCRIBED BEFORE
ME THIS 6th DAY OF JANUARY, 2000
IN THE PRESENCE OF:

/s/ J. Richard Dunstan
----------------------

/s/ Kathy S. Huskey
----------------------
NOTARY PUBLIC
STATE OF GEORGIA

                                      -5-<PAGE>   1

                                                                   EXHIBIT 10.52

               IN THE COURT OF COMMON PLEAS OF LOGAN COUNTY, OHIO

Peoples Benefit Life Insurance Company            )
(Through Its Agent AEGON USA Realty               )
Advisors, Inc.) fka Providian Life and Health     )
Insurance Company fka National Home               )
Life Assurance Company,                           )
                                                  )
                        Plaintiff,                )
           vs                                     )      Case No. CV99-02-0035
                                                  )
Brunner Companies Income Properties               )
L.P. III, et al., c/o Brunner Management, L.P.    )
c/o Hull/Storey Development, LLC                  )      Judge Mark S. O'Connor
                                                  )
                        Defendants.               )

                      NOTICE OF SATISFACTION OF JUDGMENT

         NOW COMES, plaintiff, Peoples Benefit Life Insurance Company, by and
through its agent AEGON USA Realty Advisors, Inc., and does hereby provide
notice that the judgment rendered herein in its favor pursuant to that certain
Agreed Order Granting Motion for Summary Judgment filed on July 28, 1999 has
been satisfied in full.

                                      Respectfully submitted,

                                      /s/ Reginald W. Jackson
                                      -----------------------------------
                                      Reginald W. Jackson   (0022885)
                                      Vorys, Sater, Seymour and Pease LLP
                                      52 E. Gay Street
                                      Columbus, OH 43215
                                      (614) 464-5621

                                      Attorneys for Plaintiff<PAGE>   1
                                                                   EXHIBIT 10.53

                            COMMONWEALTH OF KENTUCKY
                            MONTGOMERY CIRCUIT COURT
                                  CIVIL BRANCH
                          CIVIL ACTION NO. 99-CI-90023

MONUMENTAL LIFE INSURANCE
COMPANY, successor by merger to
COMMONWEALTH LIFE INSURANCE
COMPANY (through its agent,
AEGON USA Realty Advisors, Inc.,)

          PLAINTIFF,

VS.

BRUNNER COMPANIES LIMITED
PROPERTIES, L.P., III, a Delaware
limited partnership, et al.,

          DEFENDANT.

----------------------------------------------

                    MUTUAL RELEASE AND SETTLEMENT AGREEMENT

         This Mutual Release and Settlement Agreement entered into this 8 day of
December, 1999, by and between MONUMENTAL LIFE INSURANCE COMPANY, a Maryland
corporation, successor by merger to COMMONWEALTH LIFE INSURANCE COMPANY, by and
through its agent, AEGON USA REALTY ADVISORS, INC., hereinafter referred to as
"Monumental'', and BRUNNER COMPANIES INCOME PROPERTIES, L.P., III, hereinafter
referred to as "Brunner".

                                  WITNESSETH:

         WHEREAS, Monumental has instituted action against Brunner in the
Commonwealth of Kentucky, Montgomery Circuit Court, Civil Branch, Case No.
99-CI-90023; and

         WHEREAS, Brunner has heretofore objected to any relief sought by
Monumental regarding any claims against Brunner for any non-recourse debt
alleged to have been owed to Monumental and secured by property of Brunner; and
<PAGE>   2
         WHEREAS, Monumental has heretofore sought and obtained a Summary
Judgment and Order of Sale of that certain property owned by Brunner and
heretofore given as security for a non-recourse debt to Monumental; and

         WHEREAS, Brunner is in possession of certain funds in which Monumental
maintains it has an interest and a portion of which Monumental alleges to be
owed by Brunner; and

         WHEREAS, the parties hereto are desirous of settling between them any
and all claims that have been made or could have been made by each against the
other in the above-styled civil action:

         NOW THEREFORE IN CONSIDERATION OF THE PREMISES, and the mutual
undertakings of the parties, the benefits of which shall flow each to the
other, the parties hereto do agree as follows:

                                       1.

         That Monumental has heretofore obtained a Summary Judgment and Order
of Sale in the aforesaid civil action, and pursuant thereto, a judicial sale of
the real property has occurred on August 6, 1999, and the same has been
confirmed by Order dated August 27, 1999.

                                       2.

         That Monumental shall enter a Notice of Satisfaction of Judgment in
the aforesaid civil action.

                                       3.

         That simultaneously with the execution of this Mutual Release and
Settlement Agreement, Brunner shall pay to Monumental the sum of Sixty-Two
Thousand Five Hundred ($62,500.00) Dollars, and in consideration of such
payment and other valuable consideration, the sufficiency of which and the
receipt of which are hereby acknowledged, Monumental, its respective officers,
directors, employees, executors,

<PAGE>   3
administrators, agents, attorneys, successors and assigns shall and do hereby
release and discharge, and by these presents do release and forever discharge
Brunner, its respective officers, directors, employees, executors,
administrators, agents, attorneys, successors and assigns, and all other
persons, firms or corporations whomsoever of and from all claims, demands,
damages, action or causes of action resulting, or to result, known and unknown,
which have been asserted or could have been asserted in the aforesaid civil
action, except and to the extent that Brunner shall receive any rental income,
reimbursement, or other form of income in any way related to the aforesaid real
property subsequent to June 22, 1999, Brunner shall be obligated to forthwith
pay the same to Monumental.

                                       4.

         That simultaneously with the exception of this Mutual Release and
Settlement Agreement, and in consideration thereof, and other valuable
consideration, the sufficiency of which and the receipt of which are hereby
acknowledged, Brunner, its respective officers, directors, employees, executors,
administrators, agents, attorneys, successors and assigns shall and do hereby
release and discharge, and by these presents do release and forever discharge
Monumental, its respective officers, directors, employees, executors,
administrators, agents, attorneys, successors and assigns, and all other
persons, firms or corporations whomsoever, including AEGON USA Realty Advisors,
Inc., of and from all claims, demands, damages, action or causes of action
resulting, or to result, known and unknown, which have been asserted or could
have been asserted in the aforesaid civil action.

                                       5.

         That it is understood and agreed that this settlement is the compromise
of potential, doubtful and disputed claims and that this Mutual Release and
Settlement Agreement is not and shall not be construed to be an admission of
liability or guilt on the part of the parties hereby released.
<PAGE>   4
                                       6.

         That this Mutual Release and Settlement Agreement is entered into by
and between the parties hereto without any party admitting any liability to the
other; all such liability being expressly denied.

                                       7.

         That the undersigned hereby declare that this Mutual Release and
Settlement Agreement contains the entire understanding among the parties and
that the terms hereof have been completely read and are fully understood and
voluntarily accepted for the purpose of making a full compromise, adjustment and
settlement of all claims referred to above and for the express purpose of
precluding any future litigation based upon any such claims.

     Signed, sealed and delivered at Cedar Rapids, on this 8th day of December,
1999.

                                               MONUMENTAL LIFE INSURANCE COMPANY

                                               BY:  THOMAS L. NORDSTROM
                                                   -----------------------------
                                               As its: Vice President
SWORN TO AND SUBSCRIBED BEFORE ME THIS
8TH DAY OF DECEMBER, 1999,
IN THE PRESENCE OF:

TAMARA L. BRUS
-------------------------------------
NOTARY PUBLIC STATE OF IA
                                             BRUNNER COMPANIES INCOME
                                             PROPERTIES, L.P., III

                                             BY: JAMES M. HULL
                                                 --------------------------
                                             As its: Agent

SWORN TO AND SUBSCRIBED BEFORE ME THIS
6TH DAY OF JANUARY, 2000,
IN THE PRESENCE OF:

J. RICHARD DUNSTAN
-------------------------------------

KATHY S. HUSKEY
-------------------------------------

NOTARY PUBLIC STATE OF GEORGIA

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