Question: When did Princess Sophie Auguste Of Anhalt-Zerbst's mother die?
Sentence (from "Sophie Augusta of Holstein-Gottorp"): Sophie Augusta of Holstein-Gottorp (5 December 1630 in Gottorp – 12 December 1680 in Coswig) was regent of Anhalt-Zerbst in during the minority of her son from 1667 until 1674.
Relevant evidence: Yes