Adelaide, Abbess of Vilich, German abbess and saint (b. c. 970)
Adelaide, Abbess of Vilich (c. 970 – 5 February 1015(?), her date of birth and death are controversial), also known as Adelheid, was the abbess of Vilich and also of St. Maria im Kapitol in Cologne; she was declared a saint post mortem. After her death she was remembered for the miracles that were ascribed to her. Her parents were Megingoz, count of Guelders, and Gerberga, who was a descendant of German king Henry the Fowler. They were also the founders of the convent at Vilich. The main source for her life is the hagriographical work Vita Adelheidis.