William or Roger was born about 1075 in Dursley, Glou, England.. William or Roger's father was Roger Berkeley. He had three brothers and a sister, named Eustace De, John De, Roger and Miss De. He was the oldest of the five children. William or Roger is no longer alive.
General Notes
pg 43, Burke's " A Genealogical History of the Dormant, Abeyant, Forfeited and Extinct Peerages of the British Empire" published 1883