Question: Who is the maternal grandfather of Otto Vi, Margrave Of Brandenburg-Salzwedel?
Sentence (from "Frederick, Margrave of Brandenburg-Bayreuth"): Frederick, Margrave of Brandenburg- Bayreuth( May 10, 1711 in Weferlingen – February 26, 1763 in Bayreuth), was a member of the House of Hohenzollern and Margrave of Brandenburg- Bayreuth.
Relevant evidence: No