Question: When did Charles Of Saxony, Duke Of Courland's mother die?
Sentence (from "Prince Maximilian of Saxony (1870–1951)"): Prince Maximilian William Augustus Albert Charles Gregory Odo of Saxony, Duke of Saxony( 17 November 1870 – 12 January 1951) was a member of the Albertine branch of the House of Wettin and a Roman Catholic priest.
Relevant evidence: No