Court chaplain to William the Conqueror in England. Hermit in the forest of Arrouaise, Artois (in modern France) in 1090. His reputation for sanctity attracted disciples, and with them he founded the Augustinian monastery at Arrouaise. Martyr.
- “Blessed Hildemar of Arrouaise“. CatholicSaints.Info. 12 January 2010. Web. 20 February 2017. <>