Nielsen Hayden genealogy
Cadwgon ap Madog ap Cadwgon ap Bleddyn
( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Cadwgon ap Madog ap Cadwgon ap Bleddyn [1]
- Gwenllian ferch Owain Gwynedd
- 2 Madog ap Cadwgon ap Madog ap Cadwgon [1.1] b. Abt 1170
- Efa ferch Madog ap Philip ab Uchtrud
- 3 Nest ferch Madog [1.1.1]
- Einion ap Seisyll b. Abt 1170
- 4 Margred ferch Einion ap Seisyll [1.1.1.1]
- Thomas ap Rhodri ab Owain Gwynned b. Abt 1170
- 5 (Unknown daughter of Thomas ap Rhodri) [1.1.1.1.1]
- Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys d. Mar 1265
- 6 Owain ap Maredudd ab Owain ap Gruffudd [1.1.1.1.1.1] d. 15 Aug 1275
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- 7 Llywelyn ab Owain ap Maredudd ab Owain [1.1.1.1.1.1.1] d. 1309
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- 8 Thomas ap Llewellyn ab Owain ap Maredudd [1.1.1.1.1.1.1.1] d. 1343 [ =>]
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- 7 Llywelyn ab Owain ap Maredudd ab Owain [1.1.1.1.1.1.1] d. 1309
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- 6 Owain ap Maredudd ab Owain ap Gruffudd [1.1.1.1.1.1] d. 15 Aug 1275
- Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys d. Mar 1265
- 5 (Unknown daughter of Thomas ap Rhodri) [1.1.1.1.1]
- Thomas ap Rhodri ab Owain Gwynned b. Abt 1170
- 4 Margred ferch Einion ap Seisyll [1.1.1.1]
- Einion ap Seisyll b. Abt 1170
- 3 Nest ferch Madog [1.1.1]
- Efa ferch Madog ap Philip ab Uchtrud
- 2 Madog ap Cadwgon ap Madog ap Cadwgon [1.1] b. Abt 1170
- Gwenllian ferch Owain Gwynedd