About Us

The Mary Duke Biddle Foundation supports arts organizations, artists, and K-12 education in the Triangle region of North Carolina. The foundation focuses on projects in which our modest grants can make a significant difference. In addition, MDBF supports Duke University, the University of North Carolina School of the Arts, and three churches, all institutions important to her family.

Duke Gardens, photo courtesy of Duke Photography

Our History

Mary Duke Biddle

Mary Lillian Duke Biddle was born on November 16, 1887, in Durham, N.C., the only daughter of Benjam...
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Mary D.B.T. Semans and James H. Semans, M.D.

For much of its history, The Mary Duke Biddle Foundation was led by Mrs. Biddle’s daughter, Mary D...
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Continuing a Family Tradition

Mrs. Biddle valued the input and wisdom of her friends and trusted advisors, and, from the beginning...
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Duke University

Mary Duke Biddle specified in the foundation’s charter that half of its funding go to Duke Univers...
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The Foundation Today

Mary Duke Biddle was intentionally broad in her directions to future trustees on how and where to di...
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