Question: Who is John I, Prince Of Anhalt-Bernburg's paternal grandfather?
Sentence (from "Bernhard V, Prince of Anhalt-Bernburg"): Bernhard V, Prince of Anhalt- Bernburg( died 24 June 1420) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Bernburg.
Relevant evidence: No