Question: Who is William Of Montferrat, Count Of Jaffa And Ascalon's mother-in-law?
Sentence (from "William of Montferrat, Count of Jaffa and Ascalon"): William of Montferrat (early 1140s – 1177), also called William Longsword (modern Italian "Guglielmo Lungaspada"; original Occitan "Guilhem Longa-Espia"), was the Count of Jaffa and Ascalon, the eldest son of William V, Marquess of Montferrat and Judith of Babenberg.
Relevant evidence: No