Family: Cadwallon Ap Ieuan ( Prince of Maelienydd) 1 / Efa Verch Madog (maid. name 1)

Paternal line Cadwallon Ap Ieuan ( Prince of Maelienydd) 1
Cadwgon Ap Madog 1135 -	_	Gwenllian Verch Gwynedd (maid. name 1) 1125 - 1197  (72 years)
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Madog ApCadwgon 1102 - 1121  (19 years)	_	Jane Verch Cynwrig 1110 -
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Cadwgon Ap Bleddyn 1050 - 1111  (61 years)	_	Gwenllian Verch Gruffydd 1090 - 1136  (46 years)
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Bleddyn (king of Gwynedd and Powys) Ap Cynfyn 1025 - 1075  (50 years)	_	Haer Verch Cillin 1025 - 1050  (25 years)

Paternal line Efa Verch Madog (maid. name 1)
Madoc ap Phillip 1160 -	_	Angharad Verch Llewelyn 918 - 1002  (84 years)