Matilda of Brandenburg (1298-1329) (1296–1323) Parents Anne of Austria, Margravine of Brandenburg Herman, Margrave of Brandenburg-Salzwedel Children Salome von Schlesien Henry V of Iron Agnes of Głogów-Żagań Siblings John V, Margrave of Brandenburg-Salzwedel Euphemia of Wrocław Jutta von Brandenburg Agnes of Brandenburg-Salzwedel Partners Henry IV the Faithful