William de Beauchamp was born circa 1186.
He was the son of Simon de Beauchamp and Isabel (?).
He married, secondly, Ida Longespée, daughter of William Longespée, 1st Earl of Salisbury and Ela, Countess of Salisbury, circa January 1220.
He died after 28 December 1260.
He gained the title of Lord of Bedford [feudal baron].
Child of William de Beauchamp and Ida Longespée
1.Beatrice de Beauchamp b. b 1254, d. b 30 Sep 1285