Tangwystyl Goch

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     Tangwystyl was born in Wales. Tangwystyl married ap Iowerth, Llywelyn "The Great" Prince of Wales, son of ap Owain, Gwynedd, Iorwerth Drwyndwn (?) and Margaret of Powys (?), in Wales.

Children of Tangwystyl Goch and ap Iowerth, Llywelyn "The Great" Prince of Wales