August of Brieg died as a child (1619-1620) (1619–1620) Parents John Christian of Brieg Dorothea Sibylle of Brandenburg Children Siblings August of Legnica Sophie Magdalene of Legnica-Brzeg Zygmunt Piastowicz Sibylle Margarethe von Brieg Christian, Duke of Brieg George III of Brieg Louis IV of Legnica