William De Braose IV Earl of Abergavenny

William De Braose IV Earl of was born in 1204 in Brecknock, Surrey, England.  William De Braose IV Earl of's father was Reginald De Braose and his mother was Gladys The Dark of Wales. He had a sister named Isabela.  He was the older of the two children. He had two half-brothers and a half-sister, named Roger Mortimer Lord of, Hugh and Maud.  He died at the age of 26 on May 2nd, 1230 in Wales.

They had five daughters named Eve, Eleanor, Ela, Isabel and Maud.