William De WASHINGTON

William De was born in 1196 in Lancashire, England.  William De's father was William Fitzpatric De HERTBURN and his mother was Margaret Princess Countess Of SCOTLAND. He had two half-brothers and a half-sister, named Henry De, Guy Of and Constance.  He died at the age of 43 in 1239.

‌William De and Alice De were married in a religious ceremony in 1211 in Lancashire, England.  They had a son named Walter De.