Question: What is the date of death of Prince Frederick Henry Eugen Of Anhalt-Dessau's mother?
Sentence (from "Prince Frederick Henry Eugen of Anhalt-Dessau"): Frederick Henry Eugen of Anhalt-Dessau (27 December 1705 in Dessau – 2 March 1781 in Dessau), was a German prince of the House of Ascania from the Anhalt-Dessau branch.
Relevant evidence: No