| Father | Joseph Johnson Jr. (1726 - 1787) |
| Mother | Mary Rogers (1728 - 1794) |
| Sibling | Wealthy Johnson (1746 - 1746) |
| Sibling | Seth Johnson (1747 - 1833) |
| Sibling | Eliphal Johnson (1749 - 1824) |
| Sibling | William Johnson (1750 - 1810) |
| Sibling | Joseph Johnson (1750 - 1751) |
| Sibling | Joseph Johnson (1755 - 1791) |
| Sibling | Constant Johnson (1758 - 1816) |
| Sibling | Henry Johnson (1759 - 1821) |
| Sibling | Mary Johnson (1761 - 1833) |
| Sibling | Elijah Johnson (1765 - 1839) |
| Sibling | Dorothy "Dolly" Johnson (1766 - 1840) |
| Sibling | Mahettable Johnson (1768 - 1858) |