See also
| Husband: | Duncan MACDUFF (c. 1290-1333) | |
| Wife: | Mary de MONTHERMER (1297- ) | |
| Children: | Isabella Margaret of FIFE (1317-1389) | |
| Name: | Duncan MACDUFF | |
| Sex: | Male | |
| Father: | Duncan MACDUFF (1262-1308) | |
| Mother: | Joan 'Johanna' de CLARE (c. 1268-aft1322) | |
| Birth | c. 1290 | Fifeshire, Scotland |
| Occupation | Earl of Fife | |
| Death | 1333 (age 42-43) | |
| Name: | Mary de MONTHERMER | |
| Sex: | Female | |
| Father: | Ralph de MONTHERMER (c. 1260-1325) | |
| Mother: | Joan of ACRE (1272-1307) | |
| Birth | Oct 1297 | |
| Name: | Isabella Margaret of FIFE | |
| Sex: | Female | |
| Spouse 1: | William RAMSAY ( - ) | |
| Spouse 2: | Thomas BISSET ( - ) | |
| Spouse 3: | Walter STEWART ( - ) | |
| Spouse 4: | John DUNBAR ( - ) | |
| Birth | 1317 | Dunfirmline Castle, Fifeshire, Scotland |
| Occupation | Countess of Fife and Angus, Heiress of Hokettle | |
| Death | 12 Aug 1389 (age 71-72) | |
Of Monthermer, Hérault, France.