Question: Who is the paternal grandfather of John Vi, Prince Of Anhalt-Zerbst?
Sentence (from "Waldemar III, Prince of Anhalt-Zerbst"): Waldemar III, Prince of Anhalt- Zerbst( died 1391) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Zerbst.
Relevant evidence: No