Ferdinand II "the Catholic" (March 10, 1452 – January 23, 1516) was king of Aragon (1479–1516), Castile, Sicily (1468–1516), Naples (1504–1516), Valencia, Sardinia and Navarre and Count of Barcelona. Wikipedia
The definitive Wikipedia entry for Ferdinand II of Aragon. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ferdinand_II_of_Aragon
byname Ferdinand the Catholic, Spanish Fernando el Catlico king of Aragon and king of Castile (as Ferdinand V) from 1479, joint sovereign with Queen Isabella I. www.britannica.com/eb/article-9034018/Ferdinand-II