Saint Marcellina (c. 327 – 397) was born in Trier, Gaul around the year 330 as a member of a Catholic family. She was the only sister of Saint Ambrose of Milan, older sister of two brothers, and daughter to a man who resided as Praetorian prefect of Gaul. Marcellina received the veil of consecrated virginity to live a life of perpetual virginity and to devote herself to the practice of prayer and asceticism.After living life as part of a pious family, Saint Marcellina died around 397.