The Congregation of the Black Sisters were an Augustinian order, also called Cell Sisters, Celzusters, Black Sisters or Alexianen Sisters; a beguine order that originated in the Southern Netherlands (Belgium). In the fourteenth century their dependent communities were included among other religious congregations. The Black Sisters Monastery (also called Monastery of Nazareth) is from 1438 and was founded for health care. In 1680 there was reconstruction of the monastic buildings; 1686, chapel building in baroque style and in the 19th century, construction of the wing on Schapenstraat. Care for mentally handicapped continued until 1969. Now it is a university building and residence for students from Loyola of Chicago.