English politician (d. 1590) April 5 – Andrés Pacheco, Spanish churchman and theologian (d. 1626) April 9 – Giulio Pace, Italian philosopher (d. 1635) April 12 – Edward de Vere, 17th Earl of Oxford, Lord Great Chamberlain of England (d. 1604) April 16 – Francis Anthony, English apothecary and physician (d. 1623) April 18 – Alessandro Pieroni, Italian painter (d. 1607) May 8 – John I, Count Palatine of Zweibrücken (d. 1604) May 25 – Camillus de Lellis, Italian saint and nurse (d. 1614) June 16 – Marie Eleonore of Cleves, Duchess consort of Prussia (1573–1608) (d. 1608) June 27 – King Charles IX of France (d. 1574) June 28 – Johannes van den Driesche, Flemish Protestant clergyman and scholar (d. 1616) July 3 – Jacobus Gallus, Slovenian composer (d. 1591) August 6 – Enrico Caetani, Italian Catholic cardinal (d. 1599) August 8 – Petrus Gudelinus, Belgian jurist (d. 1619) September 1 – Alonso Pérez de Guzmán, 7th Duke of Medina Sidonia, Spanish admiral (d. 1615) September 10 – Alonso de Guzmán El Bueno, 7th Duke of Medina Sidonia, commander of the Spanish Armada (d. 1615) September 17 – Pope Paul V (d. 1621) September 29 – Joachim Frederick of Brieg, Duke of Wołów (1586-1602) (d. 1602) September 30 – Michael Maestlin, German astronomer and mathematician (d. 1631) October 1 – Anne of Saint Bartholomew, Spanish Discalced Carmelite nun (d. 1626) October 4 – King Charles IX of Sweden (d. 1611) October 8 – Antonio Zapata y Cisneros, Spanish cardinal (d. 1635) October 25 – Ralph Sherwin, English Roman Catholic priest (martyred 1581) October 28 – Stanislaus Kostka, Polish saint (d. 1568) November 1 – Henry of Saxe-Lauenburg, Prince-Archbishop of Bremen, Prince-Bishop of Osnabruck and Paderborn (d. 1585) November 6 – Karin Månsdotter, Swedish queen (d. 1612) December 2 – Antonio Fernández de Córdoba y Cardona, Spanish diplomat (d. 1606) December 6 – Orazio Vecchi, Italian composer (d. 1605) December 21 Aegidius Hunnius, German theologian (d. 1603) Man Singh I, Mughal noble (d. 1614) December 22 – Cesare Cremonini, Italian philosopher (d. 1631) December 28 – Vicente Espinel, Spanish writer (d. 1624) December 29 – García de Silva Figueroa, Spanish diplomat and traveller (d. 1624) December 31 – Henry I, Duke of Guise (d. 1588) date unknown Jacob ben Isaac Ashkenazi, Polish Jewish author (d. 1625) Willem Barentsz, Dutch navigator and explorer (d. 1597) Anselmus de Boodt, Belgian mineralogist and