The mother of XXX is whom?
Adela of Champagne
Adela of Champagne (French: Adèle; c. 1140 -- 4 June 1206), also known as Adelaide and Alix, was Queen of France as the third wife of Louis VII. She was the daughter of Theobald II, Count of Champagne, and Matilda of Carinthia, and was named after her grandmother, Adela of Normandy.
Matilda of Carinthia