Question: What is the date of death of Magdalena Sibylla Of Saxe-Weissenfels's mother?
Sentence (from "Anna Maria of Mecklenburg-Schwerin"): She was the fourth child and second daughter of Adolf Frederick I, Duke of Mecklenburg-Schwerin by his first wife Anna Maria, daughter of Enno III, Count of Ostfriesland.
Relevant evidence: No