Line of succession to the Austro-Hungarian throne
The dual monarchy of Austria-Hungary was abolished in 1918. The heir of the last reigning sovereign Charles is his eldest son, Archduke Otto, Crown Prince of Austria, Hungary and Bohemia (known as Otto von Habsburg). The succession law used is Semi-Salic.
- Archduke Karl (b. 1961), eldest son of Archduke Otto
- Archduke Ferdinand Zvonimir (b. 1997), son of Archduke Karl
- Archduke Georg (b. 1964), second son of Archduke Otto
- Archduke Károly-Konstantin (b. 2004), son of Archduke Georg
- Archduke Lorenz (of Austria-Este) (b. 1955) (Head of the Modenese line), grandson of Emperor Charles I of Austria through his second son Archduke Robert
- Archduke Amedeo (of Austria-Este), Prince of Belgium (b. 1986)
- Archduke Joachim (of Austria-Este), Prince of Belgium (b. 1991)
- Archduke Gerhard (of Austria-Este) (b. 1957)
- Archduke Martin (of Austria-Este) (b. 1959)
- Archduke Bartholomäus (of Austria-Este) ( b. 2006)
- Archduke Felix (b. 1916)
- Archduke Carl Philipp (b. 1954)
- Archduke Ramón (b. 1958)
- Archduke István (b. 1961)
- Archduke Christoph (b. 1992)
- Archduke Pal (b. 1997)
- Archduke Rudolf (b. 1950)
- Archduke Carl Christian (b. 1977)
- Archduke Johannes (b. 1981)
- Archduke Thomas (b. 1986)
- Archduke Franz Ludwig (b. 1988)
- Archduke Michael (b. 1990)
- Archduke Joseph (b. 1991)
- Archduke Carl Christian (b. 1954)
- Archduke Imre (b. 1985)
- Archduke Andreas (b. 1988)
- Archduke Alexander (b. 1990)
- Archduke Rudolf (b. 1919)
- Archduke Carl Peter (b. 1955)
- Archduke Lorenz (b. 2003)
- Archduke Simeon (b. 1958)
- Archduke Johannes (b. 1997)
- Archduke Ludwig (b. 1998)
- Archduke Philipp (b. 2007)
- Archduke Maximilian (b. 1961)
- Archduke Nikolaus (b. 2005)
- Archduke Constantin (b. 2007)
- Archduke Heinrich (b. 1925)
- Archduke Philipp (b. 1962)
- Archduke Ferdinand (b. 1965)
- Archduke Jakob-Maximilian (b. 2002)
- Archduke Konrad (b. 1971)
- Archduke Leopold Franz, Prince of Tuscany (b. 1942)
- Archduke Sigismund, Grand Duke of Tuscany (b. 1966) (Head of the Tuscan line), greatX3-grandson of Holy Roman Emperor Leopold II through his son Grand Duke Ferdinand III of Tuscany
- Archduke Amadeo, Grand Prince of Tuscany (b. 2001)
- Archduke Maximilian, Prince of Tuscany (b. 2004)
- Archduke Guntram, Prince of Tuscany (b. 1967)
- Archduke Radbot, Prince of Tuscany (b. 1938)
- Archduke Georg, Prince of Tuscany (b. 1952)
- Archduke Dominic, Prince of Tuscany (b. 1937)
- Archduke Leopold, Prince of Tusany (b. 1956)
- Archduke Alexander Salvator, Prince of Tuscany (b. 1959)
- Archduke Constantin, Prince of Tuscany (b. 2002)
- Archduke Paul Salvator, Prince of Tuscany (b. 2003)
- Archduke Andreas Salvator, Prince of Tuscany (b. 1936)
- Archduke Thaddäus Salvator, Prince of Tuscany (b. 2002)
- Archduke Casimir Salvator, Prince of Tuscany (b. 2003)
- Archduke Markus, Prince of Tuscany (b. 1946)
- Archduke Johann, Prince of Tuscany (b. 1947)
- Archduke Michael, Prince of Tuscany (b. 1949)
- Archduke Franz Salvator, Prince of Tuscany (b. 1927)
- Archduke Carl Salvator, Prince of Tuscany (b. 1936)
- Archduke Matthias, Prince of Tuscany (b. 1971)
- Archduke Johannes, Prince of Tuscany (b. 1974)
- Archduke Bernhard, Prince of Tuscany (b. 1977)
- Archduke Benedikt, Prince of Tuscany (b. 1983)
- Archduke Joseph Árpád (b. 1933) (Head of the Hungarian Palatine line), greatX3-grandson of Holy Roman Emperor Leopold II through his son Archduke Joseph, Palatine of Hungary
- Archduke Joseph Karl (b. 1960)
- Archduke Joseph (b. 1994)
- Archduke Paul Leo (b. 1996)
- Archduke Andreas (b. 1963)
- Archduke Friedrich-Cyprian (b. 1995)
- Archduke Pierre (b. 1997)
- Archduke Nicolas (b. 1973)
- Archduke Nicolas (b. 2003)
- Archduke Johannes (b. 1975)
- Archduke István (b. 1934)
- Archduke Géza (b. 1940)
- Archduke Michael (b. 1942)
- Archduke Eduard (b. 1967)
- Archduke Paul Benedikt (b. 2000)
- Archduke Paul Rudolph (b. 1968)
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