Question: Who is the father-in-law of Duchess Maria Isabella Of Württemberg?
Sentence (from "Prince Johann Georg of Saxony"): Prince Johann Georg Pius Karl Leopold Maria Januarius Anacletus of Saxony, Duke of Saxony (10 July 1869 – 24 November 1938) was the sixth child and second-eldest son of George of Saxony and his wife Maria Anna of Portugal and a younger brother of the Kingdom of Saxony's last king, Frederick Augustus III of Saxony.
Relevant evidence: Yes