The Calendar of Saints (a notoriously unreliable source) states that her first husband was poisoned by his successor; nevertheless Adelaide was kidnapped by [Berengar of Ivrea]?, who attempted to force her to marry his son; however Adelaide escaped to Canossa, where she threw herself on the mercy of King Otto I the Great; they subsequently married in 951 . They had four children: Henry born in 952, Bruno born 953, [Matilda of Quedlinburg]? Abbess of Quedlinburg born about 954 and Otto II of Saxony, emperor of the Holy Roman Empire born 955. She became famous as a founder of monasteries and churches.
When her husband Otto I died, her daughter-in-law forced Adelaide to abdicate. She died on December 16, 999 at Seltz, Alsace . A hundred years later she was canonized? and her feast day is Dec 16.