Nielsen Hayden genealogy

Family: Owain Cyfeiliog ap Gruffudd ap Maredudd ap Bleddyn ap Cynfyn / Gwenllian ferch Owain (F270)

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Gruffudd ap Maredudd

Gwerful ferch Gwrgeneu

 

 

Owain Gwynedd, King of Gwynedd ( -1169)

Gwladus ferch Llywarch

 

 

Iorwerth Drwyndwn ap Owain Gwynedd ( -1174)

Owain Cyfeiliog ap Gruffudd ap Maredudd ap Bleddyn ap Cynfyn (1130-1197)

Gwenllian ferch Owain

Gwenwynwyn ( -1216)

Constance ferch Owain