Question: Who is the paternal grandfather of Karl I, Prince Of Anhalt-Zerbst?
Sentence (from "John V, Prince of Anhalt-Zerbst"): John V of Anhalt-Zerbst (Dessau, 4 September 1504 – Zerbst, 4 February 1551), was a German prince of the House of Ascania and ruler of the principality of Anhalt-Dessau.
Relevant evidence: No