Nielsen Hayden genealogy
Ancestors of Marjory Comyn
┌── Richard Comyn 
(of Northallerton & Badenoch, Invernessshire, Scotland - Between 1176 and 1182)
(of Northallerton & Badenoch, Invernessshire, Scotland - Between 1176 and 1182) ┌── William Comyn ( - 1233)(m. Abt 1210)
( - 1233)(m. Abt 1210) │ └── Hextilda of Tynedale =>
=> │
┌── Alexander Comyn (of Buchan, Aberdeenshire, Scotland - Bef 6 Apr 1290)
(of Buchan, Aberdeenshire, Scotland - Bef 6 Apr 1290) │ │
│ │ ┌── Fergus of Buchan (of Buchan, Aberdeenshire, Scotland - Bef 1199) =>
(of Buchan, Aberdeenshire, Scotland - Bef 1199) => │ └── Margaret of Buchan ( - Between 8 Apr 1242 and 31 Dec 1243)(m. Abt 1210)
( - Between 8 Apr 1242 and 31 Dec 1243)(m. Abt 1210) │
│
│ ┌── Saher de Quincy (1155 Winchester, Hampshire, England - 3 Nov 1219 Damietta, Egypt)
(1155 Winchester, Hampshire, England - 3 Nov 1219 Damietta, Egypt) │ │ (m. Bef 1173) =>
│ ┌── Roger de Quincy (Abt 1195 chr.Brackley, Northamptonshire, England - 25 Apr 1264)
(Abt 1195 chr.Brackley, Northamptonshire, England - 25 Apr 1264) │ │ └── Margaret of Leicester ( - 12 Jan 1235)(m. Bef 1173) =>
( - 12 Jan 1235)(m. Bef 1173) => │ │
└── Elizabeth de Quincy ( - Bef 4 May 1303)
( - Bef 4 May 1303) │
│ ┌── Alan fitz Roland ( - Abt 2 Feb 1234 bur.Dundrennan Abbey, Kircudbright, Scotland)
( - Abt 2 Feb 1234 bur.Dundrennan Abbey, Kircudbright, Scotland) │ │ (m. Between 1200 and 1205) =>
└── Helen of Galloway ( - Aft 21 Nov 1245 bur.Brackley, Northamptonshire, England)
( - Aft 21 Nov 1245 bur.Brackley, Northamptonshire, England) └── (Unknown daughter of Roger de Lacy) (m. Between 1200 and 1205) =>
(m. Between 1200 and 1205) =>