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_________________________|
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_Edwyn ap GORONWY _____|
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| | __|__
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| |_________________________|
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| | __
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| |__|__
|
|
|--Owain ap EDWYN
|
| __
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| __|__
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| _Cynfyn ap GWYRSTAN _____|
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| | | __
| | | |
| | |__|__
| |
|_Gwerydd Verch CYNVYN _|
|
| __
| |
| __|__
| |
|_Angharad verch MARDYDD _|
|
| __
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|__|__