Landquart: Change of hands for Marschlins Castle The Swiss cultural property Marschlins Castle in Igis-Landquart (GR) has been sold to Prince Rudolf of Liechtenstein. There is no information on the purchase price. You need to be logged in to view this content. Please Log In. Not a Member? Join Us Annual subscription "IB+ Database" CHF 95.00 incl. VAT Add to cart