Doctor of the Church; Cardinal Bishop of Ostia; born Ravenna, Italy, 1007; died Faenza, Italy, 1072. Left an orphan at an early age, he was adopted by an elder brother and became a swineherd. He was later sent to school at Faenza and Parma and became a noted teacher. Having entered the monastery of Fonte Avellana, he was elected prior in 1043, and devoted himself to the reform of the monastery and the abolition of simony, incontinence, and other abuses. He attended a number of synods and was sent on many important missions. Relics at Faenza. Feast, Roman Calendar, 21 February.
- “Saint Peter Damian”. . CatholicSaints.Info. 21 February 2013. Web. 25 April 2017. <>