Question: What is the date of death of Henriette Amalie Of Anhalt-Dessau's mother?
Sentence (from "Henriette Amalie of Anhalt-Dessau"): Princess Henriette Amalie of Anhalt-Dessau (7 December 17205 December 1793) was the fifth (fourth surviving) and youngest daughter of Leopold I, Prince of Anhalt-Dessau, by his morganatic wife, Anna Louise Föhse.
Relevant evidence: Yes