Married to Saint Gundebert of Gumber. When Gundebert retired to a monastery in Ireland, Bertha became Benedictine nun. Founder and abbess of the convent at Avenay in the diocese of Châlons-sur-Marne, France. When a drought hit the region, a vision of Saint Peter the Apostle led her to a spring of water which became a healing well. Widowed, she was murdered by her in-laws for distributing Gumbert’s estate to the poor, and is considered a martyr.
- Book of Saints, by the Monks of Ramsgate
- Katherine Rabenstein
- Kirken i Norge
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Bertha of Avenay“. Saints.SQPN.com. 28 April 2013. Web. 19 June 2013. <>