The Duchy of Lancaster is one of two royal duchies in England. The duchy of Friuli was from the start one of the most important Lombard duchies. Volhynia's early history coincides with that of the duchies or principalities of Halych and Volhynia. This is a list of the duchies and dukes of Pomerania. Candidates for the kingship were at first the heads of the Germanic stem duchies. They replaced the "duchies" that the khanate originated from. Some of the Ernestine duchies retained their separate existence until 1918. Separate estates, smaller than counties, form the bulk of the two duchies. Its territory was divided between the two duchies of Brescia and Bergamo. In area Old Saxony was the greatest of the German tribal duchies. Any hopes to regain the Saxon and Bavarian duchies were disappointed. This resulted in a rearrangement of the Ernestine duchies. The subsequent management of the two duchies led to tensions between Austria and Prussia. Some autonomous duchies appeared in those areas. They also ascertained control over the bordering southern duchies.