Question: What is the date of death of Louis Viii, Landgrave Of Hesse-Darmstadt's father?
Sentence (from "Louis IX, Landgrave of Hesse-Darmstadt"): Louis IX of Hesse- Darmstadt( 15 December 1719 – 6 April 1790) was the Landgrave of Hesse- Darmstadt from 1768- 1790.
Relevant evidence: No