Question: What is the date of death of Princess Luise Dorothea Of Prussia's mother?
Sentence (from "Elisabeth Henriette of Hesse-Kassel"): Landgravine Elisabeth Henriëtte of Hesse-Kassel (18 November 1661 – 7 July 1683) was the daughter of William VI, Landgrave of Hesse-Kassel and Hedwig Sophia of Brandenburg (1623–1683) a sister of Elector Frederick William of Brandenburg.
Relevant evidence: Yes