Nielsen Hayden genealogy
Gwenllian ferch Gruffudd
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- 1 Gwenllian ferch Gruffudd [1]
- Cadwgon ap Bleddyn ap Cynfyn d. 1111
- 2 Madog ap Cadwgon ap Bleddyn ap Cynfyn [1.1]
- Jane ferch Cynwrig
- 3 Cadwgon ap Madog ap Cadwgon ap Bleddyn [1.1.1]
- Gwenllian ferch Owain Gwynedd
- 4 Madog ap Cadwgon ap Madog ap Cadwgon [1.1.1.1] b. Abt 1170
- Efa ferch Madog ap Philip ab Uchtrud
- 5 Nest ferch Madog [1.1.1.1.1]
- Einion ap Seisyll b. Abt 1170
- 6 Margred ferch Einion ap Seisyll [1.1.1.1.1.1]
- Thomas ap Rhodri ab Owain Gwynned b. Abt 1170
- 7 (Unknown daughter of Thomas ap Rhodri) [1.1.1.1.1.1.1]
- Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys d. Mar 1265
- 8 Owain ap Maredudd ab Owain ap Gruffudd [1.1.1.1.1.1.1.1] d. 15 Aug 1275
[ =>]
- 8 Owain ap Maredudd ab Owain ap Gruffudd [1.1.1.1.1.1.1.1]
- 7 (Unknown daughter of Thomas ap Rhodri) [1.1.1.1.1.1.1]
- 6 Margred ferch Einion ap Seisyll [1.1.1.1.1.1]
- 5 Nest ferch Madog [1.1.1.1.1]
- 4 Madog ap Cadwgon ap Madog ap Cadwgon [1.1.1.1]
- 3 Cadwgon ap Madog ap Cadwgon ap Bleddyn [1.1.1]
- 2 Madog ap Cadwgon ap Bleddyn ap Cynfyn [1.1]