Elisabeth Katharina, Gräfin von Holstein - Bef 23 May 1300 Parents Gerhard II, Count of Holstein-Plön Ingeborg of Sweden Children Barnim III, Duke of Pomerania Siblings Elisabeth von Schauenburg Waldemar von Schauenburg John III, Count of Holstein-Plön Gerhard IV, Count of Holstein-Plön Partners Otto I, Duke of Pomerania