St. Eustochium is a daughter of St. Paula, a follower of St. Jerome. See the Golden Legend's life of St. Paula (html or pdf). In the image at left St. Eustochium and her mother are in nuns' habits because they were abbesses of convents that Jerome founded in Bethlehem.
At left, a group portrait by Zurbarán
Feast day: September 28
Photo: National
Gallery of Art