Who was the Spanish monarch that convinced Isabella and Ferdinand to finance Col

Question: Who was the Spanish monarch that convinced Isabella and Ferdinand to finance Columbus's voyage!?

It is in a crossword and this is what i have so far
_ _ _ _ _ _ _ a _ e_ l _ thanks!Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Queen IsabellaWww@QuestionHome@Com

Excuse me but Isabella and Ferdinand were the king and queen of Spain!. Isabella was the queen of Castille, and Ferdinand was the king of Aragon!. And Isabella was married to Ferdinand!.Www@QuestionHome@Com

see this article way too much to type; http://www!.saudades!.org/ccolumbusvoyage!.!.!.!.Www@QuestionHome@Com