See also
| Husband: | Alexander COMYN (c. 1215-1289) | |
| Wife: | Elizabeth 'Isabel' de QUINCY ( - ) | |
| Children: | John COMYN (c. 1260-1308) | |
| Name: | Alexander COMYN | |
| Sex: | Male | |
| Father: | William COMYN (1163-1233) | |
| Mother: | Marjory ( - ) | |
| Birth | c. 1215 | |
| Occupation | 2nd Earl of Buchan | |
| Death | 1289 (age 73-74) | |
| Name: | Elizabeth 'Isabel' de QUINCY | |
| Sex: | Female | |
| Father: | - | |
| Mother: | - | |
| Name: | John COMYN | |
| Sex: | Male | |
| Spouse: | Isabella MACDUFF (c. 1280- ) | |
| Birth | c. 1260 | |
| Occupation | 3rd Earl of Buchan | |
| Death | 1308 (age 47-48) | |