[PAR] [TLE] Wilhelm II, German Emperor [SEP] Wilhelm II or William II (German: "Friedrich Wilhelm Viktor Albert von Preußen", English: Frederick William Victor Albert of Prussia; 27 January 18594 June 1941) was the last German Emperor ("Kaiser") and King of Prussia, ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918.  He was the eldest grandchild of the British Queen Victoria and related to many monarchs and princes of Europe. [PAR] [TLE] Georg Friedrich, Prince of Prussia [SEP] Georg Friedrich Ferdinand, Prince of Prussia (German: "Georg Friedrich Ferdinand Prinz von Preußen"; born 10 June 1976), is the current head of the House of Hohenzollern, the former ruling dynasty of the German Empire and of the Kingdom of Prussia.  He is the great-great-grandson and historic heir of Wilhelm II, the last German Emperor and King of Prussia, who was deposed and went into exile upon Germany's defeat in World War I in 1918.
[PAR] [TLE] Wilhelm II , German Emperor [ SEP ] Wilhelm II or William II ( German : " Friedrich Wilhelm Viktor Albert von Preußen " , English : Frederick William Victor Albert of Prussia ; 27 January 18594 June 1941 ) was the last German Emperor ( " Kaiser " ) and King of Prussia , ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918 . He was the eldest grandchild of the British Queen Victoria and related to many monarchs and princes of Europe . [PAR] [TLE] Georg Friedrich , Prince of Prussia [ SEP ] Georg Friedrich Ferdinand , Prince of Prussia ( German : " Georg Friedrich Ferdinand Prinz von Preußen " ; born 10 June 1976 ) , is the current head of the House of Hohenzollern , the former ruling dynasty of the German Empire and of the Kingdom of Prussia . He is the great - great - grandson and historic heir of Wilhelm II , the last German Emperor and King of Prussia , who was deposed and went into exile upon Germany 's defeat in World War I in 1918 .
The great-great-grandfather of current head of the House of Hohenzollern held what official title?
The great - great - grandfather of current head of the House of Hohenzollern held what official title ?
Kaiser
Kaiser