| Children |
| | 1. Elizabeth COMYN, b. Abt 1248, Of Buchan, Aberdeenshire, Scotland d. Bef 25 Feb 1328, Of Castle, Prudhoe, Northumberland, England (Age < 80 years) |
| | 2. Emma (Agnes) COYMN, b. Abt 1250, Strathearn, Perthshire, Scotland d. Yes, date unknown |
| | 3. Elena COYMN, b. Abt 1254, Of Altyre, Morayshire, Scotland d. 1302, Brechin, Angus, Scotland (Age 48 years) |
| | 4. Majorie COMYN, b. Abt 1256, Of Altyre, Morayshire, Scotland d. Yes, date unknown |
| | 5. Bridget COMYN, b. Abt 1257, Of Altyre, Morayshire, Scotland d. Yes, date unknown |
| | 6. John COYMN, 3rd Earl of Buchan, b. 1260, Of Altyre, Morayshire, Scotland d. Between 3 Aug 1308 and 11 Dec 1308, England (Age 48 years) |
| | 7. Roger COMYN, b. Abt 1261, Of Altyre, Morayshire, Scotland d. Yes, date unknown |
| | 8. William COMYN, b. Abt 1263, Of Altyre, Morayshire, Scotland d. Aft 1306 (Age > 44 years) |
| | 9. Margaret (Annora) COYMN, b. Abt 1265, Of Altyre, Morayshire, Scotland d. Yes, date unknown |
| | 10. Alexander COMYN, b. Abt 1270, Of Buchan, Aberdeenshire, Scotland d. 1305 (Age 35 years) |
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