Cyfnerth Ap Rhun Ap Nefydd Hardd 
Cyfnerth's father was Rhun Ap Nefydd Hardd. His paternal grandfather was Nefydd Hardd. He was an only child. Cyfnerth is no longer alive.
He had a biological son named Gwrgenau.
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Children
Gwrgenau Ap Cyfnerth Ap Rhun Ap Nefydd Hardd
Gwrgenau was born in Nant COnway, Conway, Wales. Gwrgenau is no longer alive.
Source/Citation
Pedigrees of Anglesey and Caernarvonshire Families @ 298
Pedigrees of Anglesey and Caernarvonshire Families @ 298
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