Waldrada was the mistress, and later the wife, of Lothair II of Lotharingia. Wikipedia
Spouse: Lothair II (m. 862 AD–869 AD)
Parents: Gerulf I of Frisia
Children: Bertha, daughter of Lothair II, Hugh, Duke of Alsace, Gisela of Lotharingia, and more
Great grandchildren: Hildegarde of France, Gisela of France, Willa of Tuscany, and more
Grandchildren: Hugh of Italy, Boso, Margrave of Tuscany, Ermengard of Tuscany, and more