The House of Saxe-Coburg and Gotha-Koháry is the Catholic cadet branch of the House of Saxe-Coburg and Gotha, founded after the marriage of Prince Ferdinand of Saxe-Coburg and Gotha and Princess Maria Antonia Koháry de Csábrág. Among its descendants were the last four kings of Portugal (Pedro V, Luís, Carlos, Manuel II) and the last three Tsars of Bulgaria (Ferdinand, Boris III, Simeon II). After the change of the “House laws” by Simeon II, the present head of the house is his sister Princess Marie Louise of Bulgaria, Princess of Koháry. and her heiress apparent is her daughter Princess Alexandra-Nadejda Kohary
