Question: Who is the maternal grandmother of John Ii, Duke Of Bourbon?
Sentence (from "John II, Duke of Bourbon"): Jean (John) de Bourbon, Duke of Bourbon (1426 – 1 April 1488, Château de Moulins), sometimes referred to as John the Good and The Scourge of the English, was a son of Charles I of Bourbon and Agnes of Burgundy.
Relevant evidence: Yes