Leonor de Todos los Santos de Borbón y Ortiz

Born on October 31, 2005, in Madrid, Leonor de Todos los Santos de Borbón y Ortiz is the elder sister of Infanta Sofía and the heir presumptive to the Spanish throne. As the firstborn daughter of King Felipe VI and Queen Letizia, she carries the title of Princess of Asturias. Leonor recently made headlines when she turned 18 and took a momentous step by swearing the Constitution in a formal ceremony, a significant rite of passage in her royal duties.