. . . . "Mary Montagu Billings"@en . . . . "American heiress" . . "French, Mary Billings"@en . . "1869-03-06Z"^^ . . . "Mary Montagu Billings French"@en . "1951Z"^^ . "1869Z"^^ . . "Mary Montagu Billings French (March 6, 1869 - 1951) was an American heiress and society figure, as well as YWCA president and board member. She was the daughter of Frederick Billings and inherited the Marsh-Billings-Rockefeller National Historical Park from him before she died. She passed it on to her daughter, Mary French Rockefeller."@en . .