Born in 1509

Jan 25 Giovanni Morone an Italian cardinal. He was named Bishop of Modena in 1529 and was created Cardinal in 1542 by Pope Paul III. As a cardinal, he resided in the Vatican's Apostolic Palace and was consulted by Saint Ignatius, founder of the Jesuits
Feb 2 John of Leiden an Anabaptist leader from the Dutch city of Leiden. He was the illegitimate son of a Dutch mayor, and a tailor's apprentice by trade
Mar 27 Wolrad II Count of Waldeck the son of Philip III of Waldeck-Eisenberg and Adalheid of Hoya.
May 10 Edward Stanley 3rd Earl of Derby an English nobleman.
Jul 10 John Calvin an influential French theologian and pastor during the Protestant Reformation. He was a principal figure in the development of the system of Christian theology later called Calvinism. Originally trained as a humanist lawyer, he broke from the Roman Catholic Church around 1530. After religious tensions provoked a violent uprising against Protestants in France, Calvin fled to Geneva, Switzerland, where he published the first edition of his seminal work Institutes of the Christian Religion in 1536
Aug 3 Étienne Dolet a French scholar, translator and printer. Dolet was a controversial figure throughout his lifetime. His scientific scholarship aroused many suspicions concerning his religious views. After being imprisoned several times, he was eventually arrested and burned with his books on orders of the theological faculty of the Sorbonne
Aug 25 Ippolito II d'Este an Italian cardinal and statesman. He was a member of the House of Este, and nephew of the other Ippolito d'Este, also a cardinal. He is perhaps best known for his despoliation of the then 1,400-year-old Hadrian's Villa, built by the Roman emperor Hadrian, removing marbles and statues from it to decorate his own villa, the Villa d'Este
Sep 29 Michael Servetus a Spanish theologian, physician, cartographer, and Renaissance humanist. He was the first European to correctly describe the function of pulmonary circulation, as discussed in Christianismi Restitutio. He was a polymath versed in many sciences: mathematics, astronomy and meteorology, geography, human anatomy, medicine and pharmacology, as well as jurisprudence, translation, poetry and the scholarly study of the Bible in its original languages. He is renowned in the history of several of these fields, particularly medicine and theology. He participated in the Protestant Reformation, and later developed a nontrinitarian Christology. Condemned by Catholics and Protestants alike, he was arrested in Geneva and burnt at the stake as a heretic by order of the city's Protestant governing council