Thanks to the support of Adalrich, Duke of Alsace, father of Saint Odilia, the monastery flourished.
Much of the Baroque abbey church, now prominent in its own right as a World Heritage Site, was built by the Austrian architect Peter Thumb.
The site was reoccupied in 1829 by a community of Marianist Brothers and Priests, and from 1887 by the Sisters of St Joseph of Saint-Marc.
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