Bulgaria | Principality of Bulgaria | Ferdinand Marcos | Ferdinand Magellan | Franz Ferdinand | Ferdinand II of Aragon | Franz Ferdinand (band) | Archduke Franz Ferdinand of Austria | Ferdinand von Mueller | Ferdinand I, Holy Roman Emperor | Ferdinand I | Ferdinand | Louis-Ferdinand Céline | Ferdinand Foch | Rio Ferdinand | Ferdinand VII of Spain | Ferdinand de Lesseps | Ferdinand Porsche | Ferdinand II, Holy Roman Emperor | Ferdinand II | Ferdinand Hodler | Ferdinand I of Naples | Ferdinand III | Tran, Bulgaria | People's Republic of Bulgaria | Ferdinand Vandeveer Hayden | Ferdinand I of the Two Sicilies | Ferdinand I of Bulgaria | Ferdinand I of Aragon | Ferdinand III of Castile |
Following the Liberation of Bulgaria in 1878 and its restoration as a sovereign monarchy, all four Bulgarian monarchs were of German descent: Prince Alexander I of Battenberg, as well as Ferdinand, Boris III and Simeon II, all three of Saxe-Coburg and Gotha.