Also known as Aelfryth, Alfreda, Althryda, or Ethelfreda. Short hagiography.

Daughter of King Offa of Mercia. Hermit at Crowland, fl. 795. Possibly some details of her legend confuse her with her sister Aelfleda. Feast day: 2 August. Also called Elfthritha, Aefthryth, Alfritha, and Etheldreda, but must not be confused with St. Etheldreda the daughter of Anna, who was the founder of Ely.