See also
| Husband: | William 'Thomas' de IRWYN (c. 1315-c. 1390) | |
| Wife: | Daughter MONTFORD (c. 1330- ) | |
| Children: | Alexander de IRWIN (c. 1360-1411) | |
| Name: | William 'Thomas' de IRWYN | |
| Sex: | Male | |
| Father: | William Alexander d' IRWYN (c. 1260-c. 1335) | |
| Mother: | Marotte BERNARD (c. 1260-1335) | |
| Birth | c. 1315 | Drumlaurig Nithsdale, Dumfries-Shire, Scotland |
| Occupation | 2nd Laird of Drum | |
| Death | c. 1390 (age 74-75) | |
| Name: | Daughter MONTFORD | |
| Sex: | Female | |
| Father: | Thomas MONTFORD ( - ) | |
| Mother: | - | |
| Birth | c. 1330 | |
| Name: | Alexander de IRWIN | |
| Sex: | Male | |
| Birth | c. 1360 | |
| Occupation | 3rd Laird of Drum | |
| Death | 1411 (age 50-51) | |