Studied at Tournai, Belgium. Headmaster of the cathedral school at Tournai. Visited Clairvaux Abbey to see Saint Bernard and ended by staying there. Sent by Saint Bernard to be the first abbot at Igny, France in 1138. Prolific writer, some of whose works on ascetism were sometimes mistakenly attributed to Saint Bernard.
- “Blessed Guerricus“. CatholicSaints.Info. 20 June 2013. Web. 6 October 2015. <>