John III of Navarre

John III (; 1469 – 14 June 1516) was jure uxoris King of Navarre from 1484 until his death, as husband and co-ruler with Queen Catherine. He was a son of Alain I, Lord of Albret and his wife Frances, Countess of Périgord. King of Navarre Marriage to Queen Catherine and accession to the throne He became King of Navarre and Count of Foix by virtue of his 1484 marriage to Queen Catherine (1470–1517), successor of her brother Francis Phoebus in 1483. He shared with Catherine tasks related to the government of the kingdom, but his rule was marked by the guardianship of Catherine's mother Magdalena de Valois up to 1494—she died in 1495—and persistent diplomatic and military pressure of Ferdinand II of Aragon over the Crown of Navarre, supported on the ground by the Beaumont party of Navarre.