Henry I, Margrave of Brandenburg-Stendal Margrave of Brandenburg-Stendal (1256–1318) Parents Brigitte Jutta of Saxony John I, Margrave of Brandenburg Sophia of Denmark Children Sophia of Brandenburg-Stendal Henry II, Margrave of Brandenburg-Stendal Judith of Brandenburg Siblings Otto IV, Margrave of Brandenburg-Stendal Conrad, Margrave of Brandenburg-Stendal Agnes of Brandenburg Eric of Brandenburg John II, Margrave of Brandenburg-Stendal Mechtild von Brandenburg Albrecht von Brandenburg Helene von Brandenburg Hermann von Brandenburg Partners Agnes of Bavaria, Margravine of Brandenburg-Stendal