Nielsen Hayden genealogy
Ancestors of Thomas ap Llewellyn ab Owain ap Maredudd
- 1343 ┌── Gruffudd ab Yr Arglwydd Rhys ( - 25 Jul 1201 Strata Florida Abbey, Ceredigion,
│ Wales) =>
│ Wales) =>
┌── Owain ap Gruffudd ab Yr Arglwydd Rhys ( - 18 Jan 1236 Strata Florida Abbey, Ceredigion,
│ Wales)
│ Wales)
│ └── Matilda de Briouze ( - 29 Dec 1210 Llanbardarn Fawr, Ceredigion, Wales) =>
│
┌── Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys ( - Mar 1265 Llanbardarn Fawr, Ceredigion,
│ Wales)
│ Wales)
│ │
│ │ ┌── Gwion Sais ap Heilin ap Llywarch ap Gwyn (Abt 1170 - ??) =>
│
┌── Owain ap Maredudd ab Owain ap Gruffudd (of Iscoed, Ceredigion, Wales -
│ 15 Aug 1275 bur.Strata Florida Abbey, Ceredigion, Wales)
│ 15 Aug 1275 bur.Strata Florida Abbey, Ceredigion, Wales)
│ │
│ │ ┌── Rhodri ab Owain Gwynned ( - 1195) =>
│ │ ┌── Thomas ap Rhodri ab Owain Gwynned (Abt 1170 - ??)
│ │
│ │ ┌── Einion ap Seisyll (Abt 1170 - ??) =>
│ └── Nest ferch Madog =>
│
┌── Llywelyn ab Owain ap Maredudd ab Owain (of Cedewain, Powys, Wales - 1309)
Thomas ap Llewellyn ab Owain ap Maredudd (of Iscoed, Ceredigion, Wales - 1343)