Biographical Information Eustache founded the Abbey of Beaulieu in Boulonnais. Parents Kuno (Conon) de Fiennes Adelaide (Alix) de Bournonville Date of Death aft 1137 Place of Death after 1137 Source(s) http://homepages.rpi.edu/~holmes/Hobbies/Genealogy2/ps06/ps06_384.htm