Born in 1502

Jan 7 Pope Gregory XIII Pope of the Catholic Church from 13 May 1572 to his death in 1585. He is best known for commissioning and being the namesake for the Gregorian calendar, which remains the internationally accepted civil calendar to this day
Feb 2 Damião de Góis an important Portuguese humanist philosopher. He was a friend and student of Erasmus. He was appointed secretary to the Portuguese factory in Antwerp in 1523 by King John III of Portugal. He compiled one of the first accounts on Ethiopian Christianity
Mar 18 Philibert of Chalon the last prince of Orange from the house of Chalon.
Mar 20 Pierino Belli an Italian soldier and jurist.
Apr 2 Susanna of Bavaria a German noblewoman. Born in Munich, she was the daughter of Albert IV, Duke of Bavaria, and Kunigunde of Austria, herself the daughter of Holy Roman Emperor Frederick III and Eleanor of Portugal. Her paternal grandparents were Albert III, Duke of Bavaria, and Anna of Brunswick-Grubenhagen-Einbeck
Apr 10 Otto Henry Elector Palatine Count Palatine of Palatinate-Neuburg from 1505 to 1559 and prince elector of the Palatinate from 1556 to 1559. He was a son of Rupert, Count Palatine, third son of Philip, Elector Palatine; and of Elizabeth of Bavaria-Landshut, daughter of George of Bavaria
Apr 25 Georg Major a Lutheran theologian of the Protestant Reformation. He was born in Nuremberg and died at Wittenberg
Jun 7 John III of Portugal the King of Portugal and the Algarves from 13 December 1521 to 11 June 1557. He was the son of King Manuel I and Maria of Aragon, the third daughter of King Ferdinand II of Aragon and Queen Isabella I of Castile. John succeeded his father in 1521, at the age of nineteen
Aug 14 Pieter Coecke van Aelst a Flemish painter appointed court painter to Charles V, Holy Roman Emperor, in 1534.