William Backhouse Astor Sr. was born 19 September 1792 in New York City, New York, United States to John Jacob Astor (1763-1848) and Sarah Cox Todd (1761-1834) and died 24 November 1875 New York City, New York, United States of unspecified causes. He married Margaret Alida Rebecca Armstrong (1800-1872) 20 May 1818 in New York City, New York, United States.
Children
| Name | Birth | Death | Joined with |
| Emily Astor (1819-1841) | 1819 | 18 February 1841 New York City, New York, United States | Samuel Cutler Ward (1814-1884) |
| John Jacob Astor (1822-1890) | 10 June 1822 Manhattan, New York, United States | 22 February 1890 Manhattan, New York, United States | Charlotte Augusta Gibbes (1825-1887) |
| Mary Alida Astor (1823-1881) | |||
| Laura Eugenia Astor (1824-1902) | |||
| William Backhouse Astor, Jr. (1829-1892) | 12 July 1829 Manhattan, New York, United States | 25 April 1892 Paris, Île-de-France, France | Caroline Webster Schermerhorn (1830-1908) |
| Henry Astor (1830-1918) | |||
| Sarah Todd Astor (1832-1832) | |||
Siblings
Residences
Footnotes (including sources)
| ‡ General |
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