Boris III of Bulgaria
The couple were also ancestors of Pedro V of Portugal, Luis I of Portugal, Charles I of Austria, Otto von Habsburg, Michael I of Romania, Peter II of Yugoslavia, Ferdinand I of Bulgaria, Boris III of Bulgaria, Simeon II of Bulgaria, Henri, Count of Paris, Prince Boris of Leiningen and Prince Hermann Friedrich of Leiningen，Pedro de Alcântara, Prince of Grão-Pará, and members of the Imperial House of Brazil alive today.