Cristiano Ronaldo dos Santos Aveiro was born in Funchal, Madeira Islands to Maria Dolores dos Santos and José Dinis Aveiro. He has one brother named Hugo, and two sisters named Katia and Elma. Ronaldo was diagnosed with a racing heart (Tachycardia) at age 15, but he got surgery to treat it. In 1997, 12-year-old Ronaldo went on a trial with Sporting CP. He impressed the club enough to be signed for £1,500. He then moved from Funchal to Lisbon, to join the Sporting youth academy.