Sophia of Denmark (1217-1248) margravine consort of Brandenburg (1217–1247) Parents Berengaria of Portugal Valdemar II of Denmark Children John II, Margrave of Brandenburg-Stendal Eric of Brandenburg Henry I, Margrave of Brandenburg-Stendal Conrad, Margrave of Brandenburg-Stendal Otto IV, Margrave of Brandenburg-Stendal Helene von Brandenburg Siblings Niels, Count of Halland Canute, Duke of Estonia Eric IV of Denmark Valdemar the Young Christopher I of Denmark Abel of Denmark Partners John I, Margrave of Brandenburg