William Backhouse Astor, Jr. American businessman, yachtsman, and racehorse owner/breeder (1829–1892) Parents Margaret Rebecca Armstrong William Backhouse Astor, Sr. Children Emily Astor John Jacob Astor IV Carrie Astor Wilson Helen Schermerhorn Astor Charlotte Augusta Astor Siblings John Jacob Astor III Sarah Astor Henry Astor Mary Alida Astor Emily Astor Laura Astor Partners Caroline Webster Schermerhorn Astor
