Question: When did Margravine Philippine Of Brandenburg-Schwedt's husband die?
Sentence (from "Margravine Philippine of Brandenburg-Schwedt"): Margravine Philippine Auguste Amalie of Brandenburg-Schwedt (10 October 1745 – 1 May 1800) was a Landgravine consort of Hesse-Kassel by marriage to Frederick II, Landgrave of Hesse-Cassel.
Relevant evidence: Yes