Abt 1764 - 1826 (62 years)
| Harrison Gray Otis | |
| B: | 1857 |
| Bethany, Wayne, Pennsylvania, United States | |
| D: | Yes, date unknown |
| Harrison Gray Otis | |
| B: | 25 Nov 1822 |
| Boston, Suffolk, Massachusetts, United States | |
| D: | Mar 1884 |
| Switzerland | |
| Mary E Otis() | |
| B: | 1836–1837 |
| Pennsylvania | |
| D: | Yes, date unknown |
| Edmond Dwight Otis | |
| B: | 1827 |
| Massachusetts, United States | |
| D: | Yes, date unknown |
| Eliza Henderson Boardman | |
| B: | 27 Jul 1796 |
| Boston, Suffolk, Massachusetts, United States | |
| D: | 21 Jan 1873 |
| Boston, Suffolk, Massachusetts, United States | |
| Harrison Gray Otis, Jr. | |
| B: | 7 Aug 1792 |
| Boston, Massachusetts | |
| M: | 6 May 1817 |
| Boston, Suffolk, Massachusetts, United States | |
| D: | 5 Jan 1827 |
| Cambridge, Middlesex, Massachusetts | |
| William H. Boardman | |
| B: | Abt 1764 |
| Boston, Suffolk, Massachusetts, United States | |
| D: | 27 May 1826 |
| France | |
