Saint Erentrude was a 7th-century Benedictine abbess of Franconian-Merovingian royal descent. Born in Worms around 601, she was the niece of Rupert of Salzburg and received her education at the monastery of St. Radegund in Poitiers. She is primarily recognized for establishing religious communities in Salzburg and serving as the inaugural abbess of Nonnberg Abbey. Throughout her life, she dedicated herself to the care of the sick and the impoverished.