| Children |
| | 1. John Comyn, Earl Of Buchan, b. 1260, Buchan, Aberdeenshire, Scotland, United Kingdom d. 3 Aug 1308, England (Age 48 years) |
| | 2. Elena Comyn, b. Aft 1242, Scotland d. Abt 1302, Brechin, Forfar, Scotland (Age < 58 years) |
| | 3. Egidia Agnes Comyn, b. 1244, Buchan, Aberdeenshire, Scotland d. 17 Feb 1328, Prudhoe, Northumberland, England (Age 84 years) |
| | 4. Elizabeth Comyn, b. 1248, Buchan, Aberdeenshire, Scotland d. 17 Feb 1328, Prudhoe, Northumberland, England (Age 80 years) |
| | 5. Countess of Buchan Marjory De Comyn, b. Abt 1258, Buchan, Aberdeenshire, Scotland d. 10 Oct 1308, Scotland (Age 50 years) |
| | 6. Margaret Comyn, b. 1265, Elginshire, Scotland d. 1296, Scotland (Age 31 years) |
| | 7. Alexander De Comyn, b. Abt 1262, Buchan, Aberdeenshire, Scotland d. Bef 3 Dec 1308, Buchan, Aberdeenshire, Scotland (Age < 46 years) |
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