- John of Saint Omer
- John of Thérouanne
Spiritual student of Saint Ivo of Chartres. Canon regular at Mont-Saint-Eloi. Archdeacon of Arles. Bishop of Thérouanne, which he accepted only under papal order. Founded several monasteries. While he had a reputation for strictness to discipline for himself, he was seen to be very gentle with people as individuals, even refusing to prosecute some would-be assassins.
- Warneton, French Flanders
- Book of Saints, by the Monks of Ramsgate
- Katherine Rabenstein
- Our Sunday Visitor’s Encyclopedia of Saints
- “Blessed John of Warneton“. Saints.SQPN.com. 26 October 2013. Web. 4 December 2013. <>