daughter of Bela IV, king of Hungary, and granddaughter of Theodore Lascaris I, emperor of Constantinople, married Boleslas, called the Chaste, king of Lesser Poland, but lived, like her husband, in a state of complete continence, devoting herself to the sick in the hospitals. After her husband's death, in 1279, she retired to a monastery at Sandecz, and died there, July 24, 1292. She was canonized by Alexander VIII in 1690. See Hoefer, Nouv. Biog. Generale, s.v.