Gwenllian Verch Ithel Vychan

Gwenllian's father was Ithel Vychan Ap Ithel Gan Ap Meredydd.  Her paternal grandfather was Ithel Gan Ap Meredydd Ap Uchtryd Ap Edwin.  She was an only child.  Gwenllian is no longer alive.

They had a son named Gruffydd Llwyd.