1.  ferdinand i(n = noun.person) - Holy Roman Emperor and king of Hungary and Bohemia (1503-1564);
is a kind of holy roman emperor

2.  ferdinand i(n = noun.person) ferdinand the great - king of Castile and Leon who achieved control of the Moorish kings of Saragossa and Seville and Toledo (1016-1065);
is a kind of king, male monarch, rex

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