Exhibit - 21.1

MELLON FINANCIAL CORPORATION

PRIMARY
SUBSIDIARIES OF THE CORPORATION (a)

DEC. 31, 2006

Mellon Financial Corporation (Parent Corporation)  Incorporation: United
States



| |  |  | Mellon Funding Corporation  State of Incorporation: Pennsylvania
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Mellon Trust of New England, National Association  Incorporation: United States

Mellon Bank, N.A. 
Incorporation: United States

The Boston Company, Inc.  State of Incorporation: Massachusetts



| |  |  | Mellon Private Trust Company, National Association  Incorporation: United States
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| |  |  | Mellon Trust of California  State of Incorporation: California
| | - |  | ---------------------------------------------------------------



| |  |  | Mellon Trust of New York, LLC  State of Organization: New York
| | - |  | ---------------------------------------------------------------



| |  |  | Mellon Trust of Washington  State of Incorporation: Washington
| | - |  | ---------------------------------------------------------------

The Dreyfus Corporation  State of Incorporation: New York



| |  |  | Dreyfus Service Corporation  State of Incorporation: New York
| | - |  | --------------------------------------------------------------

Mellon 1stBusiness Bank, National Association  Incorporation: United States

Mellon United National Bank 
Incorporation: United States

MBC Investments Corporation  State of Incorporation: Delaware



| |  |  | Dreyfus Trust Company  State of Incorporation: New York
| | - |  | --------------------------------------------------------



| |  |  | Mellon Capital Management Corporation  State of Incorporation: California
| | - |  | --------------------------------------------------------------------------



| |  |  | Neptune LLC  State of Organization: Delaware
| | - |  | ---------------------------------------------



| |  |  | Mellon International Holdings S.AR.L.  Incorporation: Luxembourg
| | - |  | -----------------------------------------------------------------



| |  |  | Mellon International Limited  Incorporation: England
| | - |  | -----------------------------------------------------



| |  |  | Mellon Global Investments Limited  Incorporation: England
| | - |  | ----------------------------------------------------------



| |  |  | Mellon Fund Managers Limited  Incorporation: England
| | - |  | -----------------------------------------------------



| |  |  | Newton Management Limited  Incorporation: England
| | - |  | --------------------------------------------------



| |  |  | Newton Investment Management Limited  Incorporation: England
| | - |  | -------------------------------------------------------------

Mellon Investor Services LLC  State of Organization: New Jersey

Fixed Income (DE) Trust  State of Organization:
Delaware



| |  |  | Fixed Income (MA) Trust  State of Organization: Massachusetts
| | - |  | --------------------------------------------------------------



| |  |  | Franklin Portfolio Associates, LLC  State of Organization: Massachusetts
| | - |  | -------------------------------------------------------------------------



| |  |  | Standish Mellon Asset Management Company LLC  State of Organization: Delaware
| | - |  | ------------------------------------------------------------------------------



| |  |  | The Boston Company Asset Management, LLC  State of Organization: Massachusetts
| | - |  | -------------------------------------------------------------------------------

Mellon Securities Trust Company  State of Incorporation: New York



|(a) | This listing includes all significant subsidiaries as defined in Rule 1-02(w) of Regulation S-X, as well as other selected subsidiaries.
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