Question: Who is the maternal grandfather of Princess Anna Of Saxony (1929–2012)?
Sentence (from "Princess Elisabeth Helene of Thurn and Taxis"): Princess Elisabeth Helene of Thurn and Taxis  (15 December 1903, Regensburg, Kingdom of Bavaria – 22 October 1976, Munich, Bavaria, Germany) was a Princess of Thurn and Taxis by birth and a Princess and Duchess of Saxony, Margravine of Meissen, and titular Queen consort of Saxony through her marriage to Friedrich Christian, Margrave of Meissen.
Relevant evidence: No