Former Fiefs of the Grimaldi of Monaco Count of Rosemont.
The Lordship of Rosemont (German Rosenfels) was a stronghold whose capital was, from its origin, located in the castle of the Rosemont, which can still be seen the ruins to Vescemont, in the North of the Territoire de Belfort. It was bordered to the North by the Massif des Vosges.