John George IV, Elector of Saxony German noble (1668-1694) (1668–1694) Parents Princess Anna Sophie of Denmark John George III of Saxony Children Wilhelmina Maria Frederica of Rochlitz Siblings Augustus II the Strong Johann Georg Maximilian Fürstenhoff Partners Magdalena Sibylla of Neidschutz Princess Eleonore Erdmuthe of Saxe-Eisenach