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_Gruffydd ap CYNAN _____|
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_ OWAIN _________________|
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| |_Angharad Verch OWAIN __|
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|--Iowerth ap OWAIN
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| _Llywarch ap TRAHAIARN _|
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|_Gwladys Verch LLYWARCH _|
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|_Dyddgu Verch IDNERTH __|
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