she was an illegitimate daughter of Frederick William is a point of controversy in the historical literature. Frederick William died in Mainz on 31 July 1713 on his return from Schlangenbad. His wife Sofia Charlotte took up her dower in Bützow, where she died. She was buried beside her husband in the crypt of the newly built Schelfkirche St. Nikolai in Schwerin. References External links House of Mecklenburg-Schwerin 1675 births 1713 deaths