Question: When did Joanna Elisabeth Of Holstein-Gottorp's husband die?
Sentence (from "Joanna Elisabeth of Holstein-Gottorp"): Johanna Elisabeth of Holstein-Gottorp (24 October 1712 – 30 May 1760) was a German regent, Princess of Anhalt-Zerbst by marriage to Christian August, Prince of Anhalt-Zerbst, and regent of Anhalt-Zerbst from 1747 to 1752 for her minor son, Frederick Augustus.
Relevant evidence: Yes