| Male John MacDougall, I |
| Birth | Abt 1370 | Dunollych, Dunollie, Argyll, Scotland, United Kingdom |
| Death | Yes, date unknown | |
| Burial | ||
| Marriage | 1428 | |
| Father | Allan MacDougall | F4247 Group Sheet | |
| Mother | ||
| Female Margaret Stewart |
| Birth | Abt 1400 | Lorne, Argyll, Scotland, United Kingdom |
| Death | Yes, date unknown | |
| Burial | ||
| Father | Robert Stewart | F4127 Group Sheet | |
| Mother | ||
| Male + John MacDougall, II |
| Birth | Abt 1430 | Dunollych, Dunollie, Argyll, Scotland, United Kingdom |
| Death | 1480 | |
| Burial | ||
| Spouse | Geillis Campbell | F1942 | |
| Marriage | 1452 | , , Scotland, United Kingdom |