The last Bulgarian royal family () is a line of the Koháry branch of the House of Saxe-Coburg and Gotha, which ruled Bulgaria from 1887 to 1946. The last tsar, Simeon II, became Prime Minister of Bulgaria in 2001 and remained in office until 2005. Members of the royal family claim the titles of Prince (Princess) of Bulgaria and Duke (Duchess) in Saxony, with the style of Royal Highness.

Coburg Peak on Trinity Peninsula in Antarctica is named after the Bulgarian royal house of Saxe-Coburg and Gotha.

Current family tree
This is the family tree of the Bulgarian royal family, including all descendants of Tsar Ferdinand I.

 Tsar Ferdinand I (1861–1948)
 Tsar Boris III (1894–1943)
 Tsar Simeon II (b. 1937)
 Kardam, Prince of Tarnovo (1962–2015)
 Boris, Prince of Tarnovo (b. 1997)
  Prince Beltrán (b. 1999)
 Kyril, Prince of Preslav (b. 1964)
 Princess Mafalda-Cecilia, Mrs. Abousleiman (b. 1994)
 Princess Olimpia (b. 1995)
  Prince Tassilo (b. 2002)
 Kubrat, Prince of Panagyurishte (b. 1965)
 Prince Mirko (b. 1995)
 Prince Lukás (b. 1997)
  Prince Tirso (b. 2002)
 Konstantin-Assen, Prince of Vidin (b. 1967)
 Prince Umberto (b. 1999)
  Princess Sofia (b. 1999)
  Princess Kalina, Mrs. Muñoz, Duchess in Saxony, Countess of Murány (b. 1972)
  Prince Simeon Hassan of Bulgaria (b. 2007)
 Princess Marie-Louise of Koháry (b. 1933)
 Prince Boris of Leiningen (b. 1960)
  Prince Nicholas of Leiningen (b. 1991)
 Prince Karl Heinrich of Leiningen (b. 2001)
  Princess Juliana of Leiningen (b. 2003)
 Prince Hermann Friedrich of Leiningen (b. 1963)
 Princess Tatiana of Leiningen, Mrs. Reynolds (b. 1989)
  August Reynolds (b. 2021)
 Princess Nadia of Leiningen, Mrs. Baker (b. 1991)
  Thomas Baker (b. 2021)
  Princess Alexandra of Leiningen (b. 1997)
 Princess Alexandra-Nadejda of Koháry, Mrs. Raposo de Magalhães (b. 1970)
 Prince Luis de Magalhães de Koháry (b. 2003)
 Princess Giovanna de Magalhães de Koháry (b. 2006)
  Princess Clémentine de Magalhães de Koháry (b. 2010)
 Prince Pawel Alastair Antoni of Koháry (b. 1972)
 Princess Maya Chrobok of Koháry (b. 2015)
  Prince Alexander Ferdinand Chrobok of Koháry (b. 2017)
 Kiril, Prince of Preslav (1895–1945)
 Princess Eudoxia (1898–1985)
 Princess Nadezhda, Duchess Albrecht Eugen of Württemberg (1899–1958)
 Duke Ferdinand Eugen of Württemberg (1925–2020)
 Duke Margareta Luise of Württemberg, Viscountess of Chevigny (1928–2017)
 Patrick de La Lanne-Mirrlees (b. 1962)
 Marie Charlotte de La Lanne-Mirrlees (b. 1989)
  Berenice de La Lanne-Mirrlees (b. 1990)
 Cyran de La Lanne-Mirrlees (b. 1997)
 Duke Eugen Eberhard of Wurttemberg (1930–2022)
  Duke Alexander Eugen of Wurttemberg (b. 1933)
  Duchess Sophie of Wurttemberg (b. 1937)

Other members
The Tsar's in-laws include:

Living members

 Marc Abousleiman (the Tsar's grandson-in-law, husband of Princess Mafalda)
 Antonio Muñoz (the Tsar's son-in-law, husband of Princess Kalina)
 Bronisław Chrobok (the Tsar's brother-in-law, husband of the Princess of Koháry)
 Princess Cheryl of Leiningen (the Tsar's niece-in-law)
 Princess Deborah of Leiningen (the Tsar's niece-in-law)
 Clayton Reynolds (the Tsar's grandnephew-in-law)
 Ian Baker (the Tsar's grandnephew-in-law)
 Jorge Champalimaud Raposo de Magalhães (the Tsar's nephew-in-law)
 Princess Ariana Chrobok of Koháry (the Tsar's niece-in-law)

Deceased members
Princess Marie Louise (first wife of then-Prince Ferdinand I, died in 1899)
Clémentine, Princess August of Saxe-Coburg and Gotha-Koháry (mother of tsar Ferdinand I, died in 1907)
Tsaritsa Eleonore (second wife of tsar Ferdinand I, died in 1917)
Prince August of Saxe-Coburg and Gotha-Koháry (father of tsar Ferdinand I)
Duke Albrecht Eugen of Württemberg (husband of Princess Nadezhda, died in 1954)
Antonio Rôxo de Ramos Bandeira (former husband of Duchess Sophie of Württemberg, daughter of Princess Nadezhda, died in 1987)
Prince Karl of Leiningen (former husband of Marie Louise, Princess of Koháry, died in 1990)
Tsaritsa Giovanna (widow of tsar Boris III, died in 2000)
Milena, Princess Boris of Leiningen (former wife of Prince Boris of Leiningen, son of Marie Louise, Princess of Koháry, died in 2015)
Alžbeta Brezáková (third wife of tsar Ferdinand I, died in 2015) 
François Luce-Bailly, Viscount of Chevigny (widower of Duchess Margareta Luise of Württemberg, daughter of Princess Nadezhda, died in 2022)

Former members
 Duchess Alexandra of Württemberg (the Tsar's cousin-in-law, former wife of Duke Eugen Eberhard, son of Princess Nadezhda)

Tsardom of Bulgaria
The ruling members were:
 Ferdinand I (1887–1918)
 Boris III (1918–1943)
 Simeon II (1943–1946)

See also
List of Bulgarian monarchs

Notes

External links
 
 Official website of Simeon II of Bulgaria

Bulgarian royal houses
 
1887 establishments in Bulgaria