The ducal estates (Domäne), initially distributed among Swedish nobles (two thirds) and officials, became in 1654 administered by the former Swedish queen Christina.
Hertsogi maavalduseid (Domäne), mis algselt jaotati Rootsi aadlike (kaks kolmandikku) ja ametnike vahel, hakkas aastal 1654 valitsema Rootsi endine kuninganna Kristiina.