Question: Who is Frederick Iv, Elector Palatine's paternal grandfather?
Sentence (from "Louis VI, Elector Palatine"): Ludwig VI, Elector Palatine (4 July 1539 in Simmern – 22 October 1583 in Heidelberg), was an Elector from the Palatinate-Simmern branch of the house of Wittelsbach.
Relevant evidence: No