Catherine of Habsburg

From Freepedia

Catherine of Habsburg or Catherine of Austria (1507–1578), of the Habsburg family, princess of Spain, born a daughter of Philip, Archduke, Lord of Flanders, etc. and Joanna of Castile, as such Archduchess of Austria, Infanta of Castile, Princess of Burgundy and Flanders, sister of King of Aragon and Roman Emperor, etc.

She married King John III of Portugal.