Family: William de MAR, 6th Earl of Mar / Elizabeth COMYN (F7950)
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Male
William de MAR, 6th Earl of Mar
Birth Abt 1215 Mar, Aberdeen, Scotland 
Death 1291–2 Burial Marriage Father Duncan de MAR, 5th Earl of Mar | F7951 Group Sheet Mother Orabillis de NESSIUS | F7951 Group Sheet
Female
Elizabeth COMYN
Birth Abt 1223 Buchan, Aberdeenshire, Scotland Death 1267 Burial Father William COMYN, 1st Earl of Buchan & Lord of Badenoch | F7441 Group Sheet Mother Marjory BUCHAN | F7441 Group Sheet
Male
Duncan de MAR, 7th Earl of Mar
Birth Abt 1250 Mar, Aberdeen, Scotland Death Aft 25 Jul 1297 Burial Spouse Helen ferch LLYWELYN | F7949 Marriage