Question: Who is the maternal grandfather of Princess Maria Bona Of Savoy-Genoa?
Sentence (from "Margherita, Archduchess of Austria-Este"): Margherita, Dowager Archduchess of Austria- Este(" née" Princess Margherita of Savoy- Aosta; born 7 April 1930) is the first- born child of the late Amedeo, 3rd Duke of Aosta, and Princess Anne d' Orléans.
Relevant evidence: No