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 Leopold Franz, Prince of Tuscany (b. 1942, son of Archduke Gottfried (1902-1984), grandson of Peter Ferdinand (1874-1948), great-grandson of Ferdinand IV.; renounced his rights as (Titular) Grand Duke of Tuscany and Head of the Tuscany line in favour of his son, married to (1) Laetitia de Belzunce-d'Arenberg, (2) Marta Perez Valverde)
Archduke Sigismund, (Titular) Grand Duke of Tuscany (b. 1966, son of Leopold Franz, married to Elyssa Edmonstone)
Archduke Leopold, Grand Prince of Tuscany (b. 2001, son of Sigismund)
Archduke Maximilian, Prince of Tuscany (b. 2004, son of Sigismund)
Archduke Guntram, Prince of Tuscany (b. 1967, son of Leopold Franz, married to Debora de Sola, created Gräfin von Habsburg)
Archduke Radbot, Prince of Tuscany (b. 1938, son of Georg (1905-1952), grandson of Peter Ferdinand (1974-1948), morganatically married to Caroline Proust)
Archduke Georg, Prince of Tuscany (b. 1952, son of Georg (1905-1952))
Archduke Dominik, Prince of Tuscany (b. 1937, son of Anton (1901-1987), grandson of Leopold Salvator (1863-1931), great-grandson of Karl Salvator)
Archduke Leopold, Prince of Tuscany (b. 1956, son of Friedrich Salvator (1927-1999), grandson of Hubert Salvator (1894-1971), great-grandson of Franz Salvator (1866-1939), great-great-grandson of Karl Salvator (1839-1892))
Archduke Alexander Salvator, Prince of Tuscany (b. 1959, brother of Leopold)
Archduke Constantin Salvator, Prince of Tuscany (b. 2002, son of Alexander Salvator)
Archduke Paul Salvator, Prince of Tuscany (b. 2003, son of Alexander)
Archduke Andreas Salvator, Prince of Tuscany (b. 1936, son of Hubert Salvator)
Archduke Thaddäus Salvator, Prince of Tuscany (b. 2002 son of Andreas Salvator)
Archduke Casimir Salvator, Prince of Tuscany (b. 2003, son of Andreas Salvator)
Archduke Markus, Prince of Tuscany (b. 1946, son of Hubert Salvator)
Archduke Johann, Prince of Tuscany (b. 1947, son of Hubert Salvator)
Archduke Michael, Prince of Tuscany (b. 1949, son of Hubert Salvator)
Archduke Franz Salvator, Prince of Tuscany (b. 1927, son of Theodor Salvator (1899-1978), grandson of Franz Salvator (1866-1939), great-grandson of Karl Salvator
Archduke Carl Salvator, Prince of Tuscany (b. 1936, brother of Franz Salvator (1899-1978)
Archduke Matthias, Prince of Tuscany (b. 1971, son of Carl Salvator)
Archduke Johannes, Prince of Tuscany (b. 1974, son of Carl Salvator)
Archduke Bernhard, Prince of Tuscany (b. 1977, son of Carl Salvator)
Archduke Benedikt, Prince of Tuscany (b. 1983, son of Carl Salvator)
Archduke Joseph Árpád (b. 1933, son of Joseph Franz (1895-1957), grandson of Joseph August (1872-1862), great-grandson of Joseph Karl (1833-1905), great-great-grandson of Joseph Anton (1776-1847); Head of the Palatine of Hungary line)
Archduke Joseph Karl (b. 1960, son of Joseph Árpád)
Archduke Joseph Albrecht (b. 1994, son of Joseph Karl)
Archduke Paul Leo (b. 1996, son of Joseph Karl)
Archduke Andreas Augustinus (b. 1963, son of Joseph Árpád)
Archduke Friedrich-Cyprian (b. 1995, son of Andreas Augustinus)
Archduke Pierre (b. 1997, son of Andreas Augustinus)
Archduke Benedikt-Alexander (b. 2005, son of Andreas Augustinus)
Archduke Nikolaus (b. 1973, son of Joseph Árpád)
Archduke Nikolaus (b. 2003, son of Nikolaus
Archduke Santiago (b. 2006, son of Nikolaus)
Archduke Johannes-Jacobus (b. 1975, son of Joseph Árpád)
Archduke Stephan (Istvan) (b. 1934, brother of Joseph Árpád)