Family: Nathaniel Simpson
 | Thomas Simpson (1739-1833) 
|
 | Mary Knight (1751-1836) |
| Peter Ryan Simpson (1770-1850)  |
| Richard Simpson (1775- ) |
| Elizabeth Simpson (1776-1841) |
| David Simpson (1779- ) |
| Sarah Simpson (1780- ) |
| Senah Simpson (1781-1858) |
| James Simpson (1783-1852) |
| Jane Simpson (1789- ) |
| Farraba Simpson (1791- ) |
| William Barnett Simpson (1793-1858) |
| Nathaniel Simpson (1768- )
|
| John Simpson (1790-1865) |
| William Simpson (1797- ) |
| James Simpson (1804- ) |
| Sally Simpson (1808- ) |
| Eliza Simpson (1809- ) |
| Peter Simpson (1812- ) |
| Robert K. Simpson (1813- ) |