Gwenlian Of Anglesea

Gwenlian Of was born in Wales.  Gwenlian Of's father was Colwyn Lord Of Anglesea and her mother was Mrs. Colwyn Of Anglesea.  Her paternal grandfather was Ednowen.  She was an only child.

‌Gwenlian Of and Tewdwr "Mawr-The Great" Ap were married in a religious ceremony.  They had a son named Rhys Ap.