The Monarchy of Germany and Prussia were abolished in 1918. The current head of the former ruling house of Hohenzollern is Georg Friedrich, Prince of Prussia. The Law of Succession used is Agnatic seniority. Coat of Arms of the Kingdom of Prussia, 1701-1918 Prussia (German: ; Latin: Borussia, Prutenia; Lithuanian: ; Polish: ; Old Prussian: PrÅ«sa) was, most recently, a historic state originating in East Prussia, an area which for centuries had substantial influence on German and European history. ... The House of Hohenzollern is a German dynasty of electors, kings, and emperors of Prussia, Germany, and Romania. ... Prince Georg Friedrich Ferdinand of Prussia, (German: Georg Friedrich Prinz von PreuÃen) (born June 10, 1976) is the current head of the royal house of Prussia and the imperial house of Germany. ... In hereditary monarchies, particularly in more ancient or in more underdeveloped times, seniority was a much-used principle of order of succession. ...