Bourbon claim to the Spanish throne his son, Felipe on 19 June 2014. He and his wife will retain their titles. Bourbon claim to the Spanish throne After the death of the last Habsburg monarch of Spain in 1700, the childless Charles II, the Spanish throne was up for grabs between the various dynasties of Europe despite Charles having left a will naming his heir. In this will, Charles left Philip, Duke of Anjou, grandson of the French king, the possessions of the Spanish Crown. The Austrian Habsburgs, who considered themselves the rightful heirs of Charles II, fearing that the vast domain of the Spanish Crown
Prince Gabriel of Bourbon-Two Sicilies membership in the historical House of Bourbon-Two Sicilies, the title of "Principe de Borbón" and the style of "Royal Highness" were specifically accorded to Gabriel de Borbón and to those of his children born of marriage contracted with the Spanish sovereign's authorization, by a Spanish royal decree issued 19 August 1920. Prince Gabriel of Bourbon-Two Sicilies Prince Gabriele of Bourbon-Two Sicilies (Gabriele Maria Giuseppe Carlo Ignazio Antonio Alfonso Pietro Giovanni Gerardo di Majella et Omni Sancti; 11 January 1897, Cannes, France – 22 October 1975, Itu, Brazil,) was a prince of the deposed dynasty which ruled the Kingdom of the