One a group of siblings who evangelized sixth century Rheims, France. The names of the others are given as Helan, Germanus, Saint Gibrian, Petran, Franca, Promptia, and Possenna. Swineherd at Rheims. Ordained by Saint Remigius, who helped in their work. Curate of Mareuil-sur-Marne. His cultus has been continuous in the Rheims area for over 1,000 years.
- 550 of natural causes
- Book of Saints, by the Monks of Ramsgate
- Catholic Online
- Celtic Saints
- Lives of the Saints, by Father Alban Butler
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Tressan of Mareuil“. CatholicSaints.Info. 12 March 2009. Web. 7 October 2015. <>