He [Simon de St Liz] married, perhaps as early as 1090 when she would be aged about 18, Maud, eldest daughter of Waltheof, EARL OF HUNTINGDON and NORTHAMPTON, by Judith, niece of William I. He died, as aforesaid, at La CharitÈ presumably in 1111 or shortly afterwards. His widow married DAVID I of Scotland. [Complete Peerage VI:640-1]