Nielsen Hayden genealogy
Ancestors of Isabel of Mar
- Bef 1302 ┌── Morgund of Mar ( - Bef 30 Mar 1183)
┌── Duncan of Mar ( - Between 1242 and 7 Feb 1244)
│ └── Agnes
│
┌── William of Mar ( - Bef 25 Jul 1281)
┌── Donald of Mar ( - Aft 25 Jul 1297)
│ │
│ │ ┌── Richard Comyn (of Northallerton & Badenoch, Invernessshire, Scotland -
│ │ │ Between 1176 and 1182)
│ │ │ Between 1176 and 1182)
│ │ ┌── William Comyn ( - 1233)(m. Abt 1210)
│ │ │ │
│ │ │ │ ┌── Uchtred of Tynedale =>
│ │ │ └── Hextilda of Tynedale
│ │ │
│ └── Elizabeth Comyn ( - 1267)
│ │
│ │ ┌── Roger of Buchan (of Buchan, Aberdeenshire, Scotland - ??) =>
│ │ ┌── Fergus of Buchan (of Buchan, Aberdeenshire, Scotland - Bef 1199)
│ └── Margaret of Buchan ( - Between 8 Apr 1242 and 31 Dec 1243)(m. Abt 1210)
│
Isabel of Mar ( - Bef 1302)
│
│ ┌── Gruffydd ap Cynan ab Iago, King of Gwynedd (Abt 1055 - 1137)(m. Abt 1095) =>
│ ┌── Owain Gwynedd, King of Gwynedd ( - 1169 bur.Bangor Cathedral, Bangor, Gwynedd, Wales)
│ │ └── Angharad ferch Owain ( - 1162)(m. Abt 1095) =>
│ │
│ ┌── Iorwerth Drwyndwn ap Owain Gwynedd ( - Abt 1174)
│ │ │
│ │ │ ┌── Llywarch ap Trahearn ( - Aft 1124) =>
│ │ └── Gwladus ferch Llywarch
│ │
│ ┌── Llywelyn Fawr ap Iorwerth (Abt 1173 - 11 Apr 1240 Aberconwy Abbey, Conwy, Wales)
│ │ │
│ │ │ ┌── Maredudd ap Bleddyn ap Cynfyn (of Powys, Wales - 1132) =>
│ │ │ ┌── Madog ap Maredudd, Prince of Powys Fadog ( - 1160 Winchester, Hampshire, England)
│ │ │ │ └── Hunydd ferch Einudd =>
│ │ │ │
│ │ └── Margred ferch Madog
│ │
└── Ellen ( - Aft Feb 1294)