Family: Isaac Robinson & Rachel Simpson
 | William Simpson (1721-1825) 
|
 | Avarilla Perkins (1728- )
|
| Elizabeth Simpson (1738- ) |
| Sarah Simpson (1739- ) |
| Frances Simpson (1743- ) |
| Reuben Simpson (1743-1827)  |
| William Simpson (1748- ) |
| James Simpson (1750- ) |
| Sarah Simpson (1750-1831) |
| John Simpson (1752- ) |
| Rachel Simpson (1751- )
|
| John Robinson (1770- ) |