Ifor ap Llewelyn & Tangwystl verch Rhys 
They had a son named Llywelyn.
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Children
Llywelyn ap Ifor
Llywelyn was born in 1292 in St. Clears, Peuliniog, Carmarthenshire, Wales.1 He died at the age of 41 in 1333 in Tredegyr, Dyffryn, Monmouthshire, Wales.1