Isabella of Navarre, Viscountess of Rohan

Isabel d'Albret of Navarre (1512–1555) was the daughter of John III of Navarre (died 1516) and Catherine I of Navarre, sister and heiress of Francis Phoebus, King of Navarre. As heir apparent, her brother rose to the throne in 1517 as Henry II of Navarre, grandfather of King Henry III of Navarre (Henry IV of France).

Isabel married René I de Rohan, Viscount of Rohan. They had five children:

...
Wikipedia