Question: When did Princess Margaretha Of Saxony's mother die?
Sentence (from "Princess Amalie of Saxony"): She was the granddaughter of Frederick Christian, Elector of Saxony; niece of Frederick Augustus I, King of Saxony and Anthony, King of Saxony; sister of Frederick Augustus II, King of Saxony and John, King of Saxony; and aunt of Albert, King of Saxony and George, King of Saxony.
Relevant evidence: No