Saint Ava was a Benedictine nun and abbess who lived during the ninth century. Born in 845 to the family of Pepin II of Aquitaine, she experienced a miraculous recovery from blindness through the intervention of the abbess Ragenfredis. Following this healing, she donated her entire wealth to the Church. She subsequently entered the Benedictine order and eventually served as the leader of her monastery located in the County of Hainaut, which is situated in modern-day Belgium.