Question: Who is Prince Johann Georg Of Hohenzollern's maternal grandfather?
Sentence (from "Princess Margarete Karola of Saxony"): Albertine Petrusa Bertram Paula, Duchess of Saxony (24 January 1900 – 16 October 1962) was the fifth child and second-eldest daughter of Frederick Augustus III of Saxony and his wife Archduchess Luise of Austria, Princess of Tuscany and a younger sister of Georg, Crown Prince of Saxony and Friedrich Christian, Margrave of Meissen.
Relevant evidence: Yes