Question: Who is the maternal grandmother of Bianca Of Savoy?
Sentence (from "Yolande Palaeologina of Montferrat"): Yolande Palaiologina or "Violant" (Moncalvo, June 1318 – Chambery, December 24, 1342) was the daughter of Theodore I, Marquess of Montferrat and Argentina Spinola {1303-1356}, a Genoese lady, daughter of Opicino Spinola.
Relevant evidence: Yes