At that time Hungary was a confederation of small kingdoms, principalities, and dukedoms. The royal Christophe dynasty created eight hereditary dukedoms, in rank directly below the nominal princes. As all Dukedoms in the Peerage of Spain, it has Grandeeship attached. After the French Revolution, further dukedoms were created by successive French rulers. Unlike British dukedoms, for example, these Swedish titles are not hereditary. This is a list of extant dukedoms in the nobility of Italy. The territorial designations of these dukedoms refer to ten of the Provinces of Sweden. The dukedoms and subsidiary titles became extinct upon his death. His son William inherited both dukedoms in 1730. He is heir apparent to the Dukedoms of Buccleuch and Queensberry. The Nightrays are one of the Four Great Dukedoms. These were the first dukedoms created in Portugal. All dukedoms are attached to a grandeeship. The dukedoms went to their younger brother Ottavio Farnese. The dukedoms were named after Cleveland in northern England.