John Rockefeller Prentice John Rockefeller Prentice John Rockefeller Prentice (December 17, 1902 – June 13, 1972) was born to Chicago lawyer Ezra Parmalee Prentice and Alta Rockefeller Prentice in New York. Prentice's maternal grandfather is the Standard Oil tycoon, John D. Rockefeller (1839–1937). While attending Yale University, Prentice became a member of the Skull and Bones society and was elected to Phi Beta Kappa. He graduated in 1928. During his years at Yale, Prentice had accumulated debts and consequently was cut off from his parents. He worked in Boston for a wholesale hardware firm for four years to make enough money to return
Margaret Rockefeller Strong 1965. She then donated the corner townhouse to her cousin, David Rockefeller, who founded the Center for Inter-American Relations there. In December 1979, Margaret donated her father's estate, Villa Le Balze in Fiesole, Tuscany, Italy to Georgetown University which operates an overseas campus there. Her life can be read at "El Inútil de la Familia", book written by Jorge Edwards, a Chilean writer. Margaret Rockefeller Strong Margaret Rockefeller Strong (1897–1985) was an American activist. Margaret was the daughter of Elizabeth "Bessie" Rockefeller (1866–1906) and Dr. Charles Augustus Strong (1862–1940). Her maternal grandfather was Standard Oil co-founder John D. Rockefeller (1839–1937).