Maria Pia de Saxe-Coburgo e Bragança (1907 - 1995). Daughter of Maria Amélia Laredó e Murça. She claimed to be the daughter of Carlos I of Portugal. She also claimed that Carlos gave her the rights of a legitimate princess of Portugal. She tried to claim that she was the rightful Queen of Portugal, but this came to nothing.
Teresa Leonor Tavora (? - 1759). Mistress of Jose I of Portugal. Her family planned the assassination of the king and she was executed as a result.
Maria Isabel de Alcantara Brasileira (1830 - 1896). Daughter of Pedro IV of Portugal and Domitila de Castro.
Isabel Maria de Alcântara Brasileiro (1824 - 1898). Daughter of Pedro IV of Portugal and Domitila de Castro.
Domitila de Castro, Marchioness of Santos (1797 - 1867). Mistress of Pedro IV of Portugal. They had three children.
Luisa Clara de Portugal (1712 - ?). Mistress of Joao V and mother of his daughter.
Anne Armande du Verger (1660 - ?). Mistress of Pedro II of Portugal. They had a son.
Isabel Moniz (???). Mistress of Joao III of Portugal. They were the parents of Duarte, Archbishop of Braga.
Jorge de Lencastre, Duke of Coimbra (1481 - 1550). Son of Joao II and Ana de Mendonca.
Beatrice of Portugal, Countess of Arundel (1386 - 1439). Daughter of Joao I and Ines Peres. She married Thomas Fitzalan, Earl of Arundel in 1405.
Afonso I, Duke of Braganza (1377 - 1461). Son of Joao I and Ines Peres. He married twice and had children.
Ines de Castro (1325 - 1355). Mistress and possible wife of Pedro I of Portugal. They had three children. he may have married her 1354, and his father had her murdered a year later. Pedro declared their marriage legal when he became king and declared her his queen.
Pedro Afonso, Count of Barcelos (1289 - 1350). Son of Denis of Portugal and Gracia Frois.
Maria Pais Ribeira (1170 - 1258). Mistress of Sancho I of Portugal. She had six children with him.