Question: When did Prince Francis Ernest Of Hesse-Darmstadt's father die?
Sentence (from "Ernest Louis, Landgrave of Hesse-Darmstadt"): Ernest Louis of Hesse-Darmstadt  (15 December 1667 – 12 September 1739) was Landgrave of Hesse-Darmstadt from 1678 to 1739.
Relevant evidence: Yes