Question: Who is Archduchess Maria Anna Of Austria (1610–1665)'s maternal grandfather?
Sentence (from "Archduchess Maria Anna of Austria (1610–1665)"): Maria Anna von Habsburg, Erzherzogin von Österreich", also known as "Maria Anna von Bayern" or "Maria-Anna, Kurfürstin von Bayern"; 13 January 1610 – 25 September 1665), was a German regent, Electress of Bavaria by marriage to Maximilian I, Elector of Bavaria, and co-regent of the Electorate of Bavaria during the minority of her son Ferdinand Maria, Elector of Bavaria from 1651 to 1654.
Relevant evidence: Yes