Nielsen Hayden genealogy
(Unknown daughter of Gwion Sais)
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- 1 (Unknown daughter of Gwion Sais) [1]
- Owain ap Gruffudd ab Yr Arglwydd Rhys d. 18 Jan 1236
- 2 Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys [1.1] d. Mar 1265
- (Unknown daughter of Thomas ap Rhodri)
- 3 Owain ap Maredudd ab Owain ap Gruffudd [1.1.1] d. 15 Aug 1275
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- 4 Llywelyn ab Owain ap Maredudd ab Owain [1.1.1.1] d. 1309
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- 5 Thomas ap Llewellyn ab Owain ap Maredudd [1.1.1.1.1] d. 1343
- Elinor ferch Maredudd
- 6 Margred ferch Thomas [1.1.1.1.1.1]
- Tudur ap Gronwy d. 1367
- 7 Maredudd ap Tudur [1.1.1.1.1.1.1] d. Aft 1406
- Margred ferch Dafydd Vychan
- 8 Owen ap Maredudd ap Tudur [1.1.1.1.1.1.1.1] b. Abt 1400 d. 4 Feb 1461
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- 8 Owen ap Maredudd ap Tudur [1.1.1.1.1.1.1.1]
- 7 Maredudd ap Tudur [1.1.1.1.1.1.1]
- 6 Margred ferch Thomas [1.1.1.1.1.1]
- 5 Thomas ap Llewellyn ab Owain ap Maredudd [1.1.1.1.1]
- 4 Llywelyn ab Owain ap Maredudd ab Owain [1.1.1.1]
- 3 Owain ap Maredudd ab Owain ap Gruffudd [1.1.1]
- 2 Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys [1.1]