Question: When did Margravine Louise Charlotte Of Brandenburg's mother die?
Sentence (from "Elizabeth Charlotte of the Palatinate, Electress of Brandenburg"): Elisabeth Charlotte of the Palatinate (19 November 1597 – 26 April 1660) was an Electress consort of Brandenburg as the wife of George William, Elector of Brandenburg and Duke of Prussia, and the mother of Frederick William of Brandenburg, the "Great Elector".
Relevant evidence: Yes