Thurston DeMontfort759 was born in Normandy, , , France, and died 1023 in Montfort, Eure, Haute-Normandie, France.He married Juliane Murdac, daughter of Geoffrey Murdac and Adeline DeBeaumont. Children of Thurston DeMontfort and Juliane Murdac are:
+Hugh I DeMontfort, b., Normandy, , , France, d. 1037, Normandy, , , France.