- Hildegard of Swabia
- Hildegard of Kempten
Daughter of the Duke of Swabia, Germany. Married Emperor Charlemagne in 771. Empress. Mother of nine during her twelve years of married life. Friend and supporter of many monks and nuns including Saint Lioba of Bischofsheim. Founded Kempten abbey.
- Book of Saints, by the Monks of Ramsgate
- Medieval Religion Listserv, by Terri Morgan
- Our Sunday Visitor’s Encyclopedia of Saints
- Santi e Beati
- “Blessed Hildegard the Empress“. CatholicSaints.Info. 2 April 2013. Web. 22 February 2017. <>