Luísa of Braganza, Duchess of Cadaval (Portuguese pronunciation:[luˈizɐ]; 9 January 1679 in Lisbon – 23 December 1732 in Évora) was a natural daughter of PortugueseKingPeter II and a Portuguese lady named Maria da Cruz Mascarenhas.
She was raised among the family of the Secretary of State, Francisco Correia de Lacerda and after that at the Monastery of Carnide with her aunt Maria of Braganza (natural daughter of John IV of Portugal). Luísa married D.Luís and after his death married D. Jaime de Melo, respectively the 2nd and 3rd dukes of Cadaval.
Generations indicate descent from Afonso, Duke of Braganza, founder of the House of Braganza, until João II, Duke of Braganza, the first Braganza monarch of Portugal; italics indicate a head of the House
Generations indicate descent from John IV, King of Portugal, formerly John II, Duke of Braganza, the first Braganza monarch of Portugal, until Manuel II, King of Portugal, the last monarch of Portugal, excluding the Miguelist line; italics indicate a head of the House