William Backhouse Astor, Jr.

William Backhouse Astor Jr. (July 12, 1829 – April 25, 1892) was an American businessman, racehorse owner/breeder, and yachtsman who was a member of the prominent Astor family. His elder brother, financier and philanthropist John Jacob Astor III, became head of the British line of Astors in England. William Jr. was head of the American line of Astors, while his wife, Caroline Schermerhorn, served as the leader of New York society's "Four Hundred" during the Gilded Age. Early years William Backhouse Astor Jr. was born on July 12, 1829, in New York City, New York. He was the middle son of real estate businessman William Backhouse Astor Sr. (1792–1875) and Margaret Rebecca (née Armstrong) Astor (1800–1872). His siblings included elder brother John Jacob Astor III, who married Charlotte Augusta Gibbes; Emily Astor, who married Samuel Cutler Ward; Laura Eugenia Astor, who married Franklin Hughes Delano; Mary Alida Astor, who married John Carey; Henry Astor, who married Malvina Dinehart; and Sarah Astor, who died in infancy. Astor's paternal grandparents were fur-trader John Jacob Astor and Sarah Cox (née Todd) Astor. His maternal grandparents were U.S. Senator John Armstrong Jr. and Alida (née Livingston) Armstrong of the Livingston family.