Also known as Waltrude or Waudru, she was the daughter of Saints Walbert and Bertilia and sister of St. Aldegunus of Maubeuge. Marrying St. Vincent Madelgarius, she became the mother of saints Landericus, Madalberta, Adeltrudis, and Dentelin. When her husband chose to become a monk about 643 in the monastery of Hautrnont, France, he had founded, she established a convent at Chateaulieu, around which grew up the town of Mons, Belgium.