| Children |
| | 1. Margaret De Comyn, b. Abt 1193, Snierfield, Warwickshire, England d. Snierfield, Warwickshire, England  |
| | 2. Countess Jean Johanna Comyn, b. 1198, Buchan, Grampian, Scotland d. 1274, Cromarty, Cromartyshire, Scotland (Age 76 years) |
| | 3. Margaret Comyn, b. Abt 1218, Morayshire, Scotland d. 1274, Humbie, Haddingtonshire, Scotland (Age 56 years) |
| | 4. Sir Alexander Comyn, 6th Earl Of Buchan Constable And Justiciar Of Scotland, b. 1217, Buchan, Aberdeenshire, Scotland d. 6 Apr 1290, Balvenie Castle, Aberdeen, Scotland (Age 73 years) |
| | 5. Agnes Comyn, b. Abt 1225, Altyre, Morayshire, Scotland d. Yes, date unknown |
| | 6. William Comyn, Of Buchan, b. Abt 1217, Altyre, Morayshire, Scotland d. 1260, Lanarkshire, Scotland (Age 43 years) |
| | 7. Euphemia De Comyn, b. 1230, Buchan, Aberdeenshire, Scotland d. 17 Feb 1288, Inverness-Shire, Scotland, United Kingdom (Age 58 years) |
| | 8. Fergus Comyn, b. Abt 1219, Altyre, Morayshire, Scotland d. Aft 1260, Lanarkshire, Scotland (Age > 42 years) |
| | 9. Idonea Comyn, b. 1221, Forres, Morayshire, Scotland d. 1301, Perth, Perthshire, Scotland (Age 80 years) |
| | 10. Elisabeth Comyn, b. 1223, Buchan, Aberdeenshire, Scotland, United Kingdom d. 1267, Kildrummy Castle, Aberdeenshire, Scotland (Age 44 years) |
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