Earl William Comyn of Buchan
William was born about 1163 in Buchan, Aberdeenshire, Scotland.  He died in 1233 in Buchan, Aberdeen, Scotland.

 Sarah fitzHugh
Sarah was born in 1167 in Altyre, Morayshire, Scotland.  She died at the age of 37 in 1204.

 Earl Walter Comyn of Menteith
Walter was born about 1190 in Buchan, Aberdeenshire, Scotland.  He died in November 1258.

 Lord Richard Comyn of Badenoch
Richard was born about 1194 in Altyre, Moray, Scotland.  He died in Badenoch, Inverness, Scotland.