Jaime Álvares Pereira de Melo, 3rd Duke of Cadaval
D. Jaime Álvares Pereira de Melo (1 September 1684 — 29 May 1749), 3rd Duke of Cadaval, 5th Marquis of Ferreira, and 6th Count of Tentúgal, was a Portuguese nobleman and statesman.
The Duke was High-Equerry of the Royal Household of Pedro II of Portugal and subsequently that of João V of Portugal. In 1713, he became a Counselor of the State and War.
Jaime married twice, first to his dead brother's widow, Luísa of Braganza, natural daughter of King Peter II of Portugal, with whom he had no children, and then to Henriqueta Júlia Gabriela de Lorena, daughter of the Louis de Lorraine, Prince of Lambesc, with whome he has four children, three surviving to adulthood:
- Nuno Caetano (1741-1771), 4th Duke of Cadaval, 6th Marquis of Ferreira, 7th Count of Tentúgal.
- Joana, died in infancy.
- Margarida, married Diogo José Vito de Meneses Noronha Coutinho, 5th Marquis of Marialva, 7th Count of Cantanhede.
- Luísa, married Manuel Carlos da Cunha e Távora, 6th Count of São Vicente.
| Ancestors of Jaime Álvares Pereira de Melo, 3rd Duke of Cadaval|
|16. Francisco de Melo, 2nd Marquis of Ferreira and 2nd Count of Tentúgal|
|8. Nuno Álvares Pereira de Melo, 3rd Count of Tentúgal|
|17. Eugenia de Bragança (daughter of Jaime I of Braganza, 4th Duke of Braganza)|
|4. Francisco de Melo, 3rd Marquis of Ferreira and 4th Count of Tentúgal|
|18. Rodrigo de Moscoso Osorio y Álvarez de Toledo, 5th Count of Altamira|
|9. Mariana de Moscoso Osorio|
|19. Isabel de Castro|
|2. Nuno Álvares Pereira de Melo, 1st Duke of Cadaval|
|20. Enríque de Pimentel y Enríquez, 3rd Marquis of Távara|
|10. Antonio de Pimentel y Álvarez de Toledo, 4th Marquis of Távara|
|21. Juana Álvarez de Toledo|
|5. Juana de Pimentel|
|22. Lope de Moscoso Osorio, 6th Count of Altamira (son of 18 and 19)|
|11. Isabel de Moscoso|
|23. Leonor de Sandoval y Rojas|
|1. Jaime Álvares Pereira de Melo, 3rd Duke of Cadaval|
|24. Charles I de Lorraine-Guise, Duke d'Elbeuf|
|12. Henri de Lorraine, Count d'Harcourt|
|25. Marguerite de Chabot|
|6. Louis de Lorraine, Count d'Armagnac|
|26. Charles du Cambout, Marquis de Coislin|
|13. Marguerite Philippe du Cambout|
|27. Philippe de Beurges|
|3. Marguerite of Lorraine|
|28. Charles de Neufville, Marquis de Villeroy|
|14. Nicolas de Neufville, Duke of Villeroy|
|29. Jacqueline de Harlay de Sancy|
|7. Catherine de Neufville|
|30. Charles de Blanchefort de Créquy, Duke de Créquy, Prince de Poix|
|15. Marie de Créquy, Dame de Mions|
|31. Madeleine de Bonne de Lesdiguières|