Question: When did Magdalena Wilhelmine Of Württemberg's mother die?
Sentence (from "Magdalena Sibylla of Hesse-Darmstadt"): Landgravine Magdalena Sibylla of Hesse-Darmstadt (28 April 1652 – 11 August 1712) was regent of the Duchy of Württemberg from 1677 to 1693, and was a prominent German composer of baroque hymns.
Relevant evidence: Yes