マルグレーテ1世
Construction began in the 1380s on the castle's southern side. It was first mentioned in 1388 in the contract of Queen Margaret I of Denmark, where a large portion of the inheritance of Bo Jonsson Grip, the castle's first occupier, was given to the queen. The mansus unit rŏk, a taxation term, was first introduced during the 14th century for the maintenance of the castle.