Question: When did Bernhard Vii, Prince Of Anhalt-Zerbst's father die?
Sentence (from "John V, Prince of Anhalt-Zerbst"): John was the second (but eldest surviving) son of Ernest I, Prince of Anhalt-Dessau, by his wife Margarete, daughter of Henry I, Duke of Münsterberg-Oels, and granddaughter of George of Poděbrady, King of Bohemia.
Relevant evidence: No