| Male Earl of Buchan Alexander Comyn |
| Birth | 1217 | Buchan, Aberdeen, Scotland, United Kingdom |
| Death | 6 Apr 1290 | |
| Burial | ||
| Marriage | 1245 | Buchan, Aberdeen, Scotland, United Kingdom |
| Father | Lord of Buchan William Comyn | F1913 Group Sheet | |
| Mother | Countess of Buchan Margaret Colhan | F1913 Group Sheet | |
| Female Elizabeth De Quincy |
| Birth | 1220 | Buchan, Aberdeen, Scotland, United Kingdom |
| Death | 12 Apr 1282 | |
| Burial | ||
| Father | Roger De Quincy | F2222 Group Sheet | |
| Mother | Helen MacDonal | F2222 Group Sheet | |
| Male + Alexander Comyn, II |
| Birth | 1270 | Buchan, Aberdeen, Scotland, United Kingdom |
| Death | 1305 | |
| Burial | ||
| Spouse | Joan Latimer | F2202 | |
| Marriage | 1276 | Altyre, Moray, Scotland, United Kingdom |