- Bertilia of Marolles
Born to the Frankish nobility. Noted in her youth for her piety and charity. Married to Gutland, another Frankish noble noted for his own piety. Widow. She built a church dedicated to Saint Amandus of Maastricht, and moved into an adjoining cell where she lived as an anchoress the rest of her days.
- Book of Saints, by the Monks of Ramsgate
- Lives of the Saints II, by Father Thomas J Donaghy
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Bertilia of Mareuil”. Saints.SQPN.com. 3 January 2010. Web. 23 May 2013. <http://saints.sqpn.com/saint-bertilia-of-mareuil/>