Question: Who is the maternal grandmother of Sophia Of Hanover?
Sentence (from "Sophia of Hanover"): Born to Frederick V of the Palatinate, a member of the House of Wittelsbach, and Elizabeth Stuart, in 1630, Sophia grew up in the Dutch Republic, where her family had sought refuge after the sequestration of their Electorate during the Thirty Years' War.
Relevant evidence: Yes