Question: When did Sophie Elisabeth Of Schleswig-Holstein-Sonderburg-Wiesenburg's mother die?
Sentence (from "Sophie Elisabeth of Schleswig-Holstein-Sonderburg-Wiesenburg"): From her fourteen full-siblings, only seven survived adulthood: Frederick, Charles Louis, Eleanor Margaret (by marriage Princess of Liechtenstein), William Christian, Sophie Magdalene (Abbess in Quedlinburg), Anna Fredericka Philippine (by marriage Duchess of Saxe-Zeitz-Pegau-Neustadt) and Johanna Magdalene Louise.
Relevant evidence: No