Born in 1604

Mar 19 John IV of Portugal the King of Portugal and the Algarves from 1640 to his death. He was the grandson of Catherine, Duchess of Braganza, who had in 1580 claimed the Portuguese crown and sparked the struggle for the throne of Portugal. John IV was nicknamed John the Restorer. On the eve of his death in 1656, the Portuguese Empire reached its zenith, spanning around the globe
Mar 23 Girolamo Colonna an Italian Cardinal of the Roman Catholic Church and member of the noble Colonna family.
Apr 5 Charles IV Duke of Lorraine Duke of Lorraine from 1624 to 1634, when he abdicated under French pressure in favor of his younger brother, Nicholas Francis, and again from 1661 until 1675.
Apr 17 Frans Luycx a Flemish Baroque artist who became the leading court painter at the imperial court of Emperor Ferdinand III in Vienna. He is most famous for his portraits of Emperor's family and court
May 1 Louis Count of Soissons Count of Soissons. He was the son of Charles de Bourbon, Count of Soissons and Anne de Montafié. He was the second cousin of King Louis XIII of France and a held the rank of prince of the blood
May 10 Jean Mairet a classical French dramatist who wrote both tragedies and comedies.
May 28 Catherine of Brandenburg ruler of Transylvania between 1629 and 1630.
Jun 4 Claudia de' Medici Regent of the Austrian County of Tyrol during the minority of her son from 1632 until 1646. She was a daughter of Ferdinando I de' Medici, Grand Duke of Tuscany and Christina of Lorraine. She was born in Florence, and was named after her grandmother Claude of Valois, herself granddaughter of Claude, Duchess of Brittany, consort to King Francis I of France
Jun 17 John Maurice Prince of Nassau-Siegen count and prince of Nassau-Siegen, and Grand Master of the Order of Saint John.
Jun 28 Heinrich Albert (composer) a German composer and poet of the 17th century. He was a member of the Königsberg Poetic Society. As a song composer, he was strongly influenced by Heinrich Schütz
Jun 30 Margaret Elisabeth of Leiningen-Westerburg a Countess of Leiningen and regent of the Landgraviate of Hesse-Homburg.
Aug 4 François Hédelin abbé d'Aubignac a French author and cleric.
Aug 12 Tokugawa Iemitsu the third shogun of the Tokugawa dynasty. He was the eldest son of Tokugawa Hidetada, and the grandson of Tokugawa Ieyasu. Iemitsu ruled from 1623 to 1651
Aug 16 Bernard of Saxe-Weimar a German prince and general in the Thirty Years' War.
Sep 13 Sir William Brereton 1st Baronet an English writer and politician who sat in the House of Commons at various times between 1628 and 1659. He was a commander in the Parliamentary army in the English Civil War
Nov 3 Osman II the Sultan of the Ottoman Empire from 1618 until his death on 20 May 1622.
Nov 26 Johannes Bach a German composer and musician of the Baroque. He was the father of the so-called "Erfurt line" of Bach family musicians