William married Ada de Balliol in Jun 1266 in Mordington, Berwickshire, Scotland. Ada (daughter of John de Balloil, I and Devorgilla Galloway) was born in 1240; died in 1300. [Group Sheet] [Family Chart]
William married Alice of Lancaster in 1230 in Mordington, Berwickshire, Scotland. Alice (daughter of William of Lancaster and Agnes de Brus) was born in 1211 in Mordington, Berwickshire, Scotland. [Group Sheet] [Family Chart]
William married Agnes de Brus. [Group Sheet] [Family Chart]