Wordnet 3.0
NOUN (2)
1. 
 Holy Roman Emperor and king of Hungary and Bohemia (1503-1564); 
2. 
 king of Castile and Leon who achieved control of the Moorish kings of Saragossa and Seville and Toledo (1016-1065); 
[syn: Ferdinand I, Ferdinand the Great]
WordNet (r) 3.0 (2006):
Ferdinand I
    n 1: Holy Roman Emperor and king of Hungary and Bohemia
         (1503-1564)
    2: king of Castile and Leon who achieved control of the Moorish
       kings of Saragossa and Seville and Toledo (1016-1065) [syn:
       Ferdinand I, Ferdinand the Great]