Archduke Karl Pius of Austria, Prince of Tuscany

Archduke Karl Pius
Carlist-Carloctavismo claimant to the Spanish throne as Carlos VIII
Pretense	20 September 1936 – 24 December 1953
Predecessor	Alfonso Carlos I
Successor	Antonio I
Born	(1909-12-04)4 December 1909 Vienna, Austria-Hungary[1]
Died	24 December 1953(1953-12-24) (aged 44) Barcelona, Spain
Burial	Royal Abbey of Santa Maria de Poblet
Spouse	Christa Satzger de Bálványos ​ ​ (m. 1938; div. 1950)​
Issue	Alejandra Blanca de Habsburgo-Lorena y Satzger María Inmaculada de Habsburgo-Lorena y Satzger
Names Don Carlos Pío María Adelgunda Blanca Leopoldo Ignacio Rafael Miguel Salvador Ciriaco Angel Barbara de Habsburgo-Lorena y de Borbón and Carolus Pius Maria Adelgonda Blanka Leopoldus Ignatius Raphael Michael Salvator Chrillus Angelus Barbara von Habsburg-Lothringen, Erzherzog von Österreich, Prinz von Toskana
House	Habsburg-Lorraine
Father	Archduke Leopold Salvator of Austria, Prince of Tuscany
Mother	Infanta Blanca of Spain
Religion	Catholicism

Archduke Karl Pius of Austria, Prince Royal of Hungary and Bohemia, Prince of Tuscany (4 December 1909 – 24 December 1953), known as Carlos Pío de Habsburgo-Lorena y de Borbón in Spanish, was a member of the Tuscan branch of the Imperial House of Habsburg and a Carlist claimant to the throne of Spain under the assumed name of "Carlos VIII". He was the tenth and youngest child of Archduke Leopold Salvator of Austria, Prince of Tuscany and Infanta Blanca of Spain.