Tangwystl verch LLYWARCH 
Tangwystl verch was born about 1178 in Rhos, Denbighshire, Wales. She died about 1206.
They had a daughter named Margaret verch.
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Children
Margaret verch LLEWELYN
Margaret verch was born in 1204 in Caernarvanshire, Wales. She died at the age of 59 in 1263.