Don Jaime de Borbón was a Spanish nobleman born on November 15, 1908, in Rome, Italy. He was a member of the House of Bourbon, a royal family with a long history in Spain and other European countries. Jaime was the son of Infante Don Jaime, who was a claimant to the Spanish throne, and he held the title of Duke of Segovia. Jaime de Borbón was known for his advocacy of the Carlist cause, which sought to restore the traditional monarchy in Spain. He lived through significant historical events, including the Spanish Civil War and World War II, and passed away on March 2, 1975, in Estoril, Portugal.