House of Goëtzën
|Titles||Archduke of Karnia|
Prince of Ruthenia
Prince of Hohenstenberg
Count of Bihar
Count of Goëtzën
|Founder||Matthias von Goëtzën|
|Current head||Oscar I, Emperor-King of Karnia-Ruthenia|
|Cadet branches||House of Götzö-Thomaz-Rocha|
The House of Goëtzën or House of Götzö, is a noble family, macronationally connected to the Austro-Hungarian Empire and micronationally connected to the Kingdom of Ruthenia. A Hungarian family from Biharkeresztes, the family immigrated to Brazil following the defeat of Austria-Hungary on World War I. The family settled in São Paulo were they have remained to this day.
The last member of the family is the King of the Ruthenians, son of the last living member of the family by the female branch, the Duchess Denise of Ruthenia. The last member of the male branch of the family, the older brother of Duchess Denise, Wladimir von Goëtzën, died without issue.
In January 2016, the King of Ruthenia ordered the creation of a new coat of arms, that uses elements of the original, but also other elements to strengthen their ties with their Hungarian origins. Many of the elements also represent connection with the House of Árpád, since genealogical research point the Árpáds as ancestors of the ruling house of Karnia-Ruthenia, through the marriage of Mary of Hungary, daughter of Ladislaus I of Hungary, with Prince Iaroslav of Volhinia.
After the Karno-Ruthenian Compromise of 2016, the cadet branch of the House of Götzö, the House of Götzö-Thomaz-Rocha acquired imperial rank, and on 16 July 2016, had their titles established by Imperial and Royal Decree n. 34/2016, and from that moment on "His Imperial and Royal Highness, Archduke of Karnia and Prince of Ruthenia", also adding the title of "Prince of Hohenstenberg".