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“. Saints.SQPN.com. 14 April 2014. Web. 6 March 2015. <>