Rietberg Castle

Rietberg Castle is a castle in the municipality of Pratval of the Canton of Graubünden in Switzerland. It is a Swiss heritage site of national significance. It was the site of the murder of Pompeius Planta in 1621 by Jörg Jenatsch during the conflicts between Catholics and Protestants known as the Bündner Wirren.

The central tower and oldest part of the castle was built in the 13th century, though it may have been built around an earlier 12th-century tower. It was built for the Lords of Rietberg, who in 1286 were vassals of the Freiherr von Sax-Misox. In the 14th century they became vassals of the Bishop of Chur. At that time they held the castle and estates in Schams, Chur and Oberhalbstein and were the bishop's representative in Oberhalbstein and Oberengadin. The last male member of the Rietberg line, Johann von Reitberg, attempted to guarantee that the castle and his estates would pass to his wife, Berta von Rhäzüns, and to his relative Hermann von Landenberg. However, after his death in 1349 the Bishop of Chur claimed the castle. In 1353 he succeed in forcing the Landenbergs to sign away their claim to the castle and estates. Other claims to the castle continued to simmer until 1388 then the Bishop paid off the Lords of Rhäzüns and Lumerins to settle their claims.

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