John II, called the Great or the Faithless, was King of Aragon from 1458 until his death in 1479. As the husband of Queen Blanche I of Navarre, he was King of Navarre from 1425 to 1479. John was also King of Sicily from 1458 to 1468.
John II of Castile was King of Castile and León from 1406 to 1454. He succeeded his older sister, Maria of Castile, Queen of Aragon, as Prince of Asturias in 1405.
Eleanor of Austria, also called Eleanor of Castile, was born an Archduchess of Austria and Infanta of Castile from the House of Habsburg, and subsequently became Queen consort of Portugal (1518–1521) and of France (1530–1547). She also held the Duchy of Touraine (1547–1558) in dower. She is called "Leonor" in Spanish and Portuguese and "Éléonore" or "Aliénor" in French.
Henry IV of Castile, nicknamed the Impotent, was King of Castile and León and the last of the weak late-medieval kings of Castile and León. During Henry's reign, the nobles became more powerful and the nation became less centralised.
Isabella of Clermont, also known as Isabella of Taranto, was Queen of Naples as the first wife of King Ferdinand I of Naples, and a feudatory of the kingdom as the holder and ruling Princess of the Principality of Taranto in 1463–1465.
Dom Peter, Duke of Coimbra, KG was a Portuguese infante (prince) of the House of Aviz, son of King Dom John I of Portugal and his wife, Philippa of Lancaster, daughter of John of Gaunt. In Portugal, he is known as Infante Dom Pedro das Sete Partidas [do Mundo], "of the Seven Parts [of the World]" because of his travels. Possibly the best-travelled prince of his time, he was regent between 1439 and 1448. He was also 1st Lord of Montemor-o-Velho, Aveiro, Tentúgal, Cernache, Pereira, Condeixa and Lousã.
Joan of Portugal was the Queen of Castile as the second wife of King Henry IV of Castile. The posthumous daughter of King Edward of Portugal and Eleanor of Aragon, she was born in the Quinta do Monte Olivete Villa, Almada.
Eleanor of Alburquerque was a Castilian noblewoman, Countess of Alburquerque, who became Queen of Aragon by her marriage to Ferdinand I of Aragon. She was the regent of Aragon during the absence of her son the king in 1420.
The House of Trastámara was a royal dynasty which first ruled in the Crown of Castile and then expanded to the Crown of Aragon from the Late Middle Ages to the early modern period.
Eleanor of Castile was Queen of Navarre by marriage to King Charles III of Navarre. She acted as regent of Navarre during the absence of her spouse in France in 1397–1398, 1403–1406 and 1409–1411.
Isabella of Portugal was Queen of Castile and León as the second wife of King John II. She was the mother of Queen Isabella I of Castile.
Isabella, Princess of Asturias was the eldest daughter and heiress presumptive of King Ferdinand II of Aragon and Queen Isabella I of Castile. She was Queen of Portugal as the wife of King Manuel I from 30 September 1497 until her death the following year.
Maria of Castile was Queen of Aragon and Naples as the spouse of Alfonso V of Aragon. Maria acted twice as the regent of Aragon during the reign of her spouse, as he was absent during most of his reign; those regencies lasted between 1420 and 1423 and between 1432 and 1458. She was also briefly Princess of Asturias in her own right as the heiress presumptive to the throne of Castile. She succeeded her father, Henry III of Castile, as Princess of Asturias in 1402.
Blanche I was Queen of Navarre from the death of her father, King Charles III, in 1425 until her own death. She had been Queen of Sicily from 1402 to 1409 by marriage to King Martin I, serving as regent of Sicily from 1404 to 1405 and from 1408 to 1415.
Ferdinand II, called Ferdinand the Catholic, was King of Aragon from 1479 until his death in 1516. As the husband of and co-ruler with Queen Isabella I of Castile, he was also King of Castile from 1475 to 1504. He reigned jointly with Isabella over a dynastically unified Spain; together they are known as the Catholic Monarchs. Ferdinand is considered the de facto first king of Spain, and was described as such during his reign, even though, legally, Castile and Aragon remained two separate kingdoms until they were formally united by the Nueva Planta decrees issued between 1707 and 1716.
Isabella of Navarre was the younger surviving daughter of Charles III of Navarre and his wife Eleanor of Castile. She was a member of the House of Évreux.
Isabella of Aragon, Countess of Urgell was a daughter of Peter IV of Aragon and his fourth wife, Sibila of Fortia. She was the infanta of the Aragon and Countess of Urgell.
The Infantes of Aragon is an appellation commonly used by Spanish historians to refer to a group of 15th-century infantes (princes) of the House of Trastámara, specifically the sons of King Ferdinand I of Aragon and his wife Eleanor of Alburquerque:
Catherine of Castile was suo jure Princess of Asturias and heiress presumptive to the Castilian throne all her life.
Eleanor of Castile was heir presumptive to the throne of the Crown of Castile and Princess of Asturias from 1424 until a few months before her death.
