Premonstratensian monk. Canon of the Mariengaarde monastery in Friesland (in modern Netherlands). Abbot of the house in 1230. Known for his scholarship and personal piety, he established comprehensive education for his brothers and required the study of the Church fathers.
- Book of Saints, by the Monks of Ramsgate
- Den katolske kirke
- Our Sunday Visitor’s Encyclopedia of Saints
- “Blessed Sibrand of Marigård“. CatholicSaints.Info. 21 December 2013. Web. 24 July 2016. <>