Background
William Rockefeller was born in New York, United States. He was the third child of William Avery and Eliza (Davison) Rockefeller and the younger brother of John D. Rockefeller. The family apparently originated in Germany, the original American ancestor, Johann Peter Rockefeller, and his son Peter, coming to America from Sagendorf, Germany, about 1722 and settling in Somerville, New Jersey. the third child of William Avery and Eliza (Davison) Rockefeller and the younger brother of John D. Rockefeller. The family apparently originated in Germany, the original American ancestor, Johann Peter Rockefeller, and his son Peter, coming to America from Sagendorf, Germany, about 1722 and settling in Somerville, New Jersey, United States. In 1853 the roving father moved his family again to Strongsville, Ohio; then, in a year, to Parma, a neighboring district, and in 1857 to Cleveland, where the family settled definitely.