Custennin "Ddu" Ap Iago

Custennin "Ddu" Ap was born about 0935 in Of, Gwynedd, Wales.  Custennin "Ddu" Ap's father was Iago Ap Idwal and his mother was Mrs Iago Ap Idwal. He had a brother and a sister, named Owain Ap and Angharad Verch.  He was the oldest of the three children.  He died in 0980.