The Duke of Braganza was born in Berne 15 May 1945, married 13 May 1995 Dona Isabel de Heredia, and has three children, two sons Dom Afonso, Prince of Beira, Infant of Portugal (born in Lisbon 25 March 1996) and Dom Diniz, Infant of Portugal (born in Lisbon 25 Nov 1999) and a daughter, Dona Maria Francisca, Infanta of Portugal (born March 1997). He is the eldest son and heir of the late Duarte II Nuno, Duke of Braganza, and Princess Francisca of Orléans-Braganza, and succeeded his father as Head of the Royal House of Portugal and 36th (titular) King of Portugal and the Algarves 24 Dec 1976.