Carlos married a Greek Princess

In 1957, Juan Carlos studied for a year at the naval school at Marín, Pontnticra, and another year at the Air Force school at San Javier in Murcia. He attended the University of Madrid from 1960–1961 to study law, international political economics, and public finance. After that, he lived in the Palace of Zarzuela and began to make official engagements.

As members of the royal family tend to do, Juan Carlos married the princess of another land. Without a doubt, it was to establish or strengthen relations with Greece. This commercial marriage was probably not too unfamiliar to the aristocracy. The purpose of marriage is just to prove a cooperative relationship between the two countries. That's why Juan Carlos had to marry an unloving wife.

Juan Carlos was married in Athens on May 14, 1962, to Princess Sophia of Greece and Denmark, daughter of King Paul of Greece, first in a Roman Catholic ceremony at St. Denis, followed by a Greek Orthodox service at the Metropolitan Cathedral of Athens. She converted from Greek Orthodoxy to Roman Catholicism. They had three children: Elena (born 1963), Cristina (born 1965), and Felipe (born 1968). Felipe will continue to inherit the Spanish crown.