Born to the nobility, the daughter of Duke Gundoin of Alsace; sister of Saint Bodo. She went blind as a child, but was healed by Saint Eustace of Luxeuil. Married, but widowed after two months. Married to Saint Blandinus of Laon. Mother of five, including Saint Baldwin and Saint Anstrudis of Laon. Their children grown, Sadalberga and Blandinus separated, each to enter religious life. Nun at Poulangey. Worked with Saint Waldebert of Luxeuil to found the convent of Saint John the Baptist in Laon, France, and served as its abbess.
- Toul, France
- Book of Saints, by the Monks of Ramsgate
- Catholic Online
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Sadalberga“. Saints.SQPN.com. 22 September 2013. Web. 29 August 2014. <>