She was a member of the royal family of the Merovingians and was raised by her parents who were two saints: St. Walbert and St. Bertila. The family resided in the Hainault region of Flanders, a region of the Low Countries. She joined the religious life with the foundation of a convent near the Sambre River, at a desert site called Malbode. Aldegundis is reported to have died of cancer at the age of fifty-four.