Family: Robert K. Simpson & Jane Fulton
 | 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- )
|
| Jane Fulton (1810- ) |