Question: What is the date of birth of Prince Heinrich Of Hesse-Kassel's father?
Sentence (from "Philipp, Landgrave of Hesse"): Philipp, Prince and Landgrave of Hesse (6 November 1896 – 25 October 1980) was head of the Electoral House of Hesse from 1940 to 1980.
Relevant evidence: Yes