Reza Pahlavi was born in Tehran as the eldest legitimate son of Mohammad Reza Pahlavi, the Shah of Iran and Farah Pahlavi, the Shahbanu of Iran. Pahlavi’s siblings include his sister Princess Farahnaz Pahlavi (born 12 March 1963), brother Prince Ali-Reza Pahlavi (28 April 1966 – 4 January 2011), and sister Princess Leila Pahlavi (27 March 1970 – 10 June 2001), as well as a half-sister, Princess Shahnaz Pahlavi (born 27 October 1940).