Abt 1806 - 1870 (64 years)
| Mary Catherine Hellen Abt 1806-1870 |
| Mary Catherine Hellen | |
| B: | Abt 1806 |
| D: | 1870 |
 | John Adams, III 1803-1834 |
| John Adams, III | |
| B: | 4 Jul 1803 |
| Washington, District of Columbia, USA | |
| M: | 25 Feb 1828 |
| White House, Washington, District of Columbia, USA | |
| D: | 23 Oct 1834 |
| Washington, District of Columbia, USA | |
