▁( 1 9 3 7 – ) ▁m . ▁Marina ▁D oria ▁ ▁– ▁pret ender ▁ ▁Reference : ▁ ▁Two ▁Sic il ies ▁At ▁present , ▁both ▁lines ▁that ▁lay ▁claim ▁to ▁the ▁throne ▁of ▁the ▁former ▁Kingdom ▁of ▁the ▁Two ▁Sic il ies , ▁have ▁produced ▁claim ants ▁who ▁are ▁desc ended ▁from ▁F ris o . ▁ ▁The ▁claim ant ▁of ▁the ▁Castro ▁branch , ▁Prince ▁Carlo , ▁Duke ▁of ▁Castro , ▁is ▁desc ended ▁from ▁his ▁son ' s ▁daughter : ▁ ▁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 – 1 7 5 1 ) ▁m . ▁Anne , ▁Princess ▁Royal ▁and ▁Princess ▁of ▁Orange ▁ ▁Princess ▁Carolina ▁of ▁Orange - N ass au ▁( 1 7 4 3 – 1 7 8 7 ) ▁m . ▁Charles ▁Christian , ▁Prince ▁of ▁N ass au - We il burg ▁ ▁Frederick ▁William , ▁Prince ▁of ▁N ass au - We il burg ▁( 1 7 6 8 – 1 8 1 6 ) ▁m . ▁Burg rav ine ▁Louise ▁Isabel le ▁of ▁Kirch berg ▁ ▁Princess ▁Henri etta ▁of ▁N ass au - We il burg ▁( 1 7 9 7 – 1 8 2 9 ) ▁m . ▁Arch du ke ▁Charles , ▁Duke ▁of ▁T esch en