Isabel of Mar

of Mar Side

• of Mar, Donald - Aft 1297

• of Mar, William - Bef 1281
• Comyn, Elizabeth - 1267

• of Mar, Duncan - 1244
• Comyn, William - 1233
• of Buchan, Margaret - 1243

• of Mar, Morgund - Bef 1183
• Agnes
• Comyn, Richard - 1182
• of Tynedale, Hextilda
• of Buchan, Fergus - Bef 1199

• of Tynedale, Uchtred
• Bethoc
• of Buchan, Roger

Maternal Side

• Ellen - Aft 1294

• ap Iorwerth, Llywelyn Fawr Abt 1173 - 1240  (~ 67 years)
• (One of the several mistresses of Llywelyn ap Iorwerth)

• ap Owain Gwynedd, Iorwerth Drwyndwn - Abt 1174
• ferch Madog, Margred

• Gwynedd, Owain King of Gwynedd - 1169
• ferch Llywarch, Gwladus
• ap Maredudd, Madog Prince of Powys Fadog - 1160
• (Unknown wife or mistress of Madog ap Maredudd)

• ap Cynan ab Iago, Gruffydd King of Gwynedd Abt 1055 - 1137  (~ 82 years)
• ferch Owain, Angharad - 1162
• ap Trahearn, Llywarch - Aft 1124
• ap Bleddyn ap Cynfyn, Maredudd - 1132
• ferch Einudd, Hunydd