Wartislaw VIII, Duke of Pomerania Duke of Pomerania-Wolgast (1373–1415) Parents Anna of Mecklenburg-Stargard Wartislaw VI, Duke of Pomerania Children Sophia of Pomerania Wartislaw the Younger Barnim VIII, Duke of Pomerania Swantibor II Siblings Sophie of Pomerania Barnim VI, Duke of Pomerania Anna Warcisławówna Partners Agnes of Saxe-Lauenburg