Waldrada of Lotharingia mistress of Lothair II of Lotharingia (b. 0835) Parents Gerulf I of Frisia Children Ermengarde of Lotharingia Bertha of Lotharingia Hugh, Duke of Alsace Gisela of Lotharingia Siblings Gunther Gerhart of Frisia Gerolf of Holland Partners Lothair II of Lotharingia