Biography
John Trecothick Apthorp was born 24 December 1769 in Cambridge, Middlesex County, Massachusetts, United States to John Apthorp (1730-1773) and Hannah Greenleaf (1744-1773) and died 8 April 1849 Boston, Suffolk County, Massachusetts, United States of unspecified causes. He married Grace Foster (1774-1795) 10 February 1795 in Boston, Suffolk County, Massachusetts, United States. He married Mary Spear Foster (1774-1854) 15 January 1797 in Boston, Suffolk County, Massachusetts, United States.
Children
| Name | Birth | Death | Joined with |
| John Vaughn Apthorp (1796-1821) | |||
| Thomas Apthorp (1798-1822) | |||
| William Foster Apthorp (1800-1826) | |||
| Mary Apthorp (1804-1828) | |||
| Leonard Foster Apthorp (1805-1827) | |||
| Harrison Otis Apthorp (1809-1883) | 7 June 1809 Boston, Suffolk County, Massachusetts, United States | 28 September 1883 Cambridge, Middlesex County, Massachusetts, United States | Helen Maria Clarke (1818-1891) |
| Robert East Apthorp (c1815-1882) | 1815 Massachusetts, United States | 10 February 1882 Boston, Suffolk County, Massachusetts, United States | Eliza Henshaw Hunt (1817-1903) |
Footnotes (including sources)
| ‡ General |
| ¢2 Children 2 |
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