1 8 1 6 – 1 8 6 7 ) ▁m . ▁Ferdinand ▁II ▁of ▁the ▁Two ▁Sic il ies ▁ ▁Prince ▁Alfonso , ▁Count ▁of ▁Cas erta ▁( 1 8 4 1 - 1 9 3 4 ) ▁m . ▁Princess ▁Maria ▁Anton iet ta ▁of ▁Bour bon - Two ▁Sic il ies ▁ ▁Prince ▁Carlos ▁of ▁Bour bon - Two ▁Sic il ies ▁( 1 8 7 0 - 1 9 4 9 ) ▁m . ▁Princess ▁Louise ▁of ▁Or lé ans ▁ ▁Princess ▁María ▁de ▁la ▁Es per anza ▁of ▁Bour bon - Two ▁Sic il ies ▁( 1 9 1 4 - 2 0 0 5 ) ▁m . ▁Prince ▁Pedro ▁Gast ão ▁of ▁Or lé ans - B rag anza ▁ ▁Prince ▁Pedro ▁Carlos ▁of ▁Or lé ans - B rag anza ▁( 1 9 4 5 -) ▁m . ▁R ony ▁Ku hn ▁de ▁Sou za ▁- ▁pret ender ▁ ▁Bulg aria ▁ ▁S ime on ▁II ▁of ▁Bulg aria , ▁the ▁last ▁Bulgar ian ▁Ts ar , ▁is ▁desc ended ▁from ▁F ris o ▁through ▁his ▁son ' s ▁daughter ▁and ▁his ▁daughter ' s ▁son . ▁Through ▁his ▁son , ▁William ▁IV , ▁Prince ▁of ▁Orange : ▁ ▁John ▁William ▁F ris o , ▁Prince ▁of ▁Orange ▁( 1 6 8 7 – 1 7 1 1 ) ▁m . ▁Land gra v ine ▁Marie ▁Louise ▁of ▁H esse - K ass el ▁ ▁William ▁IV , ▁Prince ▁of ▁Orange ▁( 1 7 1 1