Infanta Elena, Duchess of Lugo (Elena María Isabel Dominica de Silos de Borbón y de Grecia; born 20 December 1963) is the first child and elder daughter of King Juan Carlos I of Spain and Queen Sofía of Spain. She is the third in the line of succession to the Spanish throne. She has a younger sister, Infanta Cristina, and a younger brother, King Felipe VI.