It was founded in 1125 by the Bishop of Constance Ulrich I . In the Swabian War and the 30 Years ' War after the siege of Constance by Swedish troops , the Augustinian monastery was burned down by the people of Constance , who blamed the monks for having supported the enemy .
It was built in 1125 by the Bishop of Constance , Ulrich I . In the Swabian War and the 30 Years ' War after the siege of Constance by Swedish troops , Kreuzlingen Abbey was burned down by the people of Constance .