Part of the court of King Dagobert I. Married layman. With his wife‘s consent, he retired to the abbey of Pentale on the Seine in France. Abbot at Pentale, but he was so severe with his monks that a group tried to kill him. He resigned, then retired to become a hermit in a cave near the abbey. Founded Flay Abbey between Beauvais and Rouen in France in 655; it was later renamed Saint-Germer in his honour.
- at Beauvais, France
- Book of Saints, by the Monks of Ramsgate
- Lives of the Saints, by Father Alban Butler
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Geremarus“. Saints.SQPN.com. 26 September 2013. Web. 12 December 2013. <>