Question: What is the date of death of Friedrich Von Hessen-Darmstadt (1677–1708)'s mother?
Sentence (from "Elisabeth Dorothea of Saxe-Gotha-Altenburg"): Elisabeth Dorothea of Saxe-Gotha-Altenburg (8 January 1640 – 24 August 1709), was a German princess and a member of the House of Wettin in the Ernestine branch of Saxe-Gotha-Altenburg.
Relevant evidence: Yes