13, Alfonso XIII was deposed in 1931 and there has been no King Alfonso since then.
King Philip II ruled over Spain and parts of South America. There have been several different people in history named King Philip. King Philip I of Macedonia ruled Spain.
Juan Carlos has been the King of Spain since 22 November 1975.
Castile and Grenada, which was the provisional capital of Spain at the time.
Spain is the Spanish-speaking country that has a king. King Felipe VI has been the reigning monarch since 2014.
Charles I was the first King of Spain. Before he inherited Castile/Leon and Aragon Spain did not exist. It had been a collection of smaller kingdoms and principalities.
There have been many King Philips, most notable perhaps, of Spain.
Napoleon Bonaprate's brother Joseph was appointed to be King of Spain under French Occupation in 1808 until Spain was restored to Spanish Control in 1813. He ruled es King José I. There has not been a King Joseph or King José before or since.
King Alfonso XII of Spain was born on November 28, 1857 and died on November 25, 1885. King Alfonso XII of Spain would have been 27 years old at the time of death or 157 years old today.
King Ferdinand VII of Spain was born on October 14, 1784 and died on September 29, 1833. King Ferdinand VII of Spain would have been 48 years old at the time of death or 230 years old today.
King Charles III of Spain was born on January 20, 1716 and died on December 14, 1788. King Charles III of Spain would have been 72 years old at the time of death or 299 years old today.
King Charles IV of Spain was born on November 11, 1748 and died on January 20, 1819. King Charles IV of Spain would have been 70 years old at the time of death or 266 years old today.
King Alfonso XIII of Spain was born on May 17, 1886 and died on February 28, 1941. King Alfonso XIII of Spain would have been 54 years old at the time of death or 129 years old today.