Brother of Saint Fursey of Péronne and Saint Foillan of Fosses. Fellow monk with them at Burgh Castle near Yarmouth, England. Missionary to Belgium where he served as a priest in the convent of Nivelles and worked with Saint Gertrude. Abbot at Fosses, Belgium. Abbot at Péronne, France.
- “Saint Ultan of Péronne“. CatholicSaints.Info. 1 May 2010. Web. 1 April 2015. <>