and Saxons. Frankish troops finally regained the castle in 783.

Bad Iburg became of more than local importance in the 11th century when Bishop Benno I (1052-1067) built a new castle on the ruins of the first fortification. This castle was also ruined so Benno I's successor Bishop Benno II of Osnabrück (1068-1088) built another castle. He also founded a Benedictine monastery, the first twelve monks came from Mainz. An