Otto II, Duke of Swabia Count Palatine of Lotharingia and Duke of Swabia (0950–1047) Parents Matilda of Germany, Countess Palatine of Lotharingia Ezzo, Count Palatine of Lotharingia Children Richenza of Swabia Siblings Richeza of Lotharingia Liudolf of Lotharingia Ida of Essen Theophanu of Essen Herman II
