Question: What is the date of birth of Ernest Louis, Landgrave Of Hesse-Darmstadt's mother?
Sentence (from "Ernest Louis, Landgrave of Hesse-Darmstadt"): His parents were Landgrave Louis VI of Hesse-Darmstadt and Elisabeth Dorothea of Saxe-Gotha-Altenburg (1640–1709).
Relevant evidence: Yes