Question: When did Landgravine Juliane Of Hesse-Philippsthal's husband die?
Sentence (from "Philip, Landgrave of Hesse-Philippsthal"): Philip of Hesse- Philippsthal( 14 December 1655 – 18 June 1721) was the son of William VI, Landgrave of Hesse- Kassel and Hedwig Sophia of Brandenburg.
Relevant evidence: No