Juan Carlos I of Spain Spanish constitution refers to the monarch by the simple title "King of Spain". Aside from this title, the constitution allows for the use of other historic titles pertaining to the Spanish monarchy, without specifying them. This was also reiterated by a decree promulgated on 6 November 1987 concerning titles of members of the royal family. Since his abdication in 2014, King Juan Carlos has retained, by courtesy, the title and style of King that he enjoyed during his reign. Juan Carlos I of Spain Juan Carlos I (; Juan Carlos Alfonso Víctor María de Borbón y Borbón-Dos Sicilias, born 5
Juan Carlos I of Spain the honorary presidency. He later apologised for the hunting trip. Juan Carlos was married in Athens on 14 May 1962, to Princess Sophia of Greece and Denmark, daughter of King Paul of Greece, first in a Roman Catholic ceremony at the Church of St. Denis, followed by a Greek Orthodox ceremony at the Metropolitan Cathedral of Athens. She converted from her Greek Orthodox religion to Roman Catholicism. They have two daughters and one son: Juan Carlos is also the alleged illegitimate father of Alberto Sola, born in Barcelona in 1956, of María A. L. A, born in Catalonia in 1964,