Mechtild von Brandenburg Duchess of Pomerania Parents John I, Margrave of Brandenburg Brigitte Jutta of Saxony Children Siblings Otto IV, Margrave of Brandenburg-Stendal Albrecht von Brandenburg Conrad, Margrave of Brandenburg-Stendal Helene von Brandenburg Agnes of Brandenburg Hermann von Brandenburg Eric of Brandenburg Henry I, Margrave of Brandenburg-Stendal John II, Margrave of Brandenburg-Stendal Partners Bogislaw IV, Duke of Pomerania