Question: What is the date of death of Heinz Heydrich's father?
Sentence (from "Heinz Heydrich"): Heinz Siegfried Heydrich (29 September 1905 – 19 November 1944) was the son of Richard Bruno Heydrich and the younger brother of SS-Obergruppenführer Reinhard Heydrich.
Relevant evidence: Yes