Hedwiga (also known as Hathui) was the daughter of Henry of Franconia and his wife Ingeltrude. She married Otto I, Duke of Saxony. They had three sons, Henry (who succeeded his father as Duke of Saxony), Thankmar and Liudolf (who both died young), as well as a daughter, Oda. Oda married Zwentibold, King of Lotharingia.