St Maria and Clemens Church, Romanesque double church in Schwarzrheindorf, Germany
St Maria and Clemens Church is a Romanesque double church in Schwarzrheindorf, Bonn, with a lower church dedicated to Pope Clement I and an upper church to the Virgin Mary. An octagonal opening in the floor of the upper church links the two levels. The building has a tall crossing tower, a dwarf gallery around the apse and transepts, and 12th-century frescos in both chapels.
Archbishop Arnold von Wied commissioned the church in 1151 as an unusual architectural undertaking for the period. His sister Hadwig subsequently transformed it into a Benedictine convent, changing its primary function.
The upper church was reserved for the noble canons of the Stift, who followed Mass from a gallery separated from the congregation below. In the upper chapel, frescoes show Arnold of Wied and his sister Hadwig lying on the floor beneath a Majestas Domini, a gesture of humility. The lower church, dedicated to Pope Clement I, served the other worshippers.
The church remains actively used for worship in both levels, with seven bells in the crossing tower marking the rhythm of services. Visitors should remember this is a functioning sacred space requiring appropriate respect and consideration.
The 12th-century frescos were painted over with white plaster in the 17th and 18th centuries and forgotten until 1846, when the young architect Andreas Simons rediscovered them during a building survey. Restoration began in 1863.
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