Ferdinand III of Naples, the Catholic (1452–1516, king from 1504) (Ferdinand V of Castile and Ferdinand II of Aragon and of Sicily), husband of Isabella of Castile
Ferdinand III of Sicily (1751–1825, king 1759–1816), (Ferdinand IV of Naples 1759–1799; 1799–1806; 1815–1816 and Ferdinand I of the Two Sicilies 1816–1825)
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