3037863 Cistercian nun in choir habit, c.1700 (engraving) by French School, (18th century); Private Collection; (add.info.: Religieuse de Cisteaux en habit de choeur, illustration from \'Histoire et Costumes des Ordres Monastiques\' by Pierre Helyot Citeaux Abbey is a Roman Catholic abbey south of Dijon, France. Citeaux, formerly spelled Cisteaux, is the mother house of the Cistercian order.); French, out of copyright.