WFadrique de Toledo or Fadrique Álvarez de Toledo y Mendoza, 1st Marquess of Valdueza, was a Spanish noble and admiral. He was a Knight of the Order of Santiago and Captain General of the Spanish Navy at the age of 37.
WDon Carlos II Coloma y de Saa, knight of Santiago, 1st Marquess of Espinar was a Spanish military commander, diplomat and author. He is also known as a translator of Tacitus.
WRobert Devereux, 3rd Earl of Essex, KB, PC was an English Parliamentarian and soldier during the first half of the 17th century. With the start of the English Civil War in 1642 he became the first Captain-General and Chief Commander of the Parliamentarian army, also known as the Roundheads. However, he was unable and unwilling to score a decisive blow against the Royalist army of King Charles I. He was eventually overshadowed by the ascendancy of Oliver Cromwell and Thomas Fairfax and resigned his commission in 1646.
WDon Fernando Girón de Salcedo y Briviesca, First Marques of Sofraga, born 1562, died 1630, was a Member of the Council of War for Flanders, and Maestre de Gampo General for Aragon with the Castellany of the Aljafería de Zaragoza, as well as Grand Chancellor and Bailiff of the Holy Sepulcher of the Order of Knights of the Hospital of Saint John of Jerusalem, and Gentleman of the Privy Chamber to Philip III and Philip IV of Spain. As governor he successfully defended Cádiz against the English in 1625, which led him to be immortalized in a painting of Francisco de Zurbaran, The Defence of Cadiz against the English.
WPeter Ernst, Graf von Mansfeld, or simply Ernst von Mansfeld, was a German military commander who, despite being a Catholic, fought for the Protestants during the early years of the Thirty Years' War.
WMaurice of Orange was stadtholder of all the provinces of the Dutch Republic except for Friesland from 1585 at the earliest until his death in 1625. Before he became Prince of Orange upon the death of his eldest half-brother Philip William in 1618, he was known as Maurice of Nassau.
WJustinus van Nassau (1559–1631) was the only extramarital child of William the Silent. He was a Dutch army commander known for unsuccessfully defending Breda against the Spanish, and the depiction of his surrender in the painting by Diego Velázquez, The Surrender of Breda.
WWillem van Nassau, Lord of De Lek was a Dutch soldier from 1620 until 1627. He was the illegitimate son of stadholder Maurice of Nassau, Prince of Orange and his mistress Margaretha van Mechelen. Like their other illegitimate children, he was recognized with the surname Nassau-LaLecq. He went by the title Rijksgraaf van Nassau-LaLecq" and was also popularly known in French as the "Chevalier de Nassau". After 1625 he was granted lands and the title Lord of De Lek. He received his heerlijkheid of De Lek as a bequest from his father to him and his descendants. His brother Lodewijk van Nassau had the title "Lord of Beverweerd and Odijk".
WAntonio de Oquendo y Zandategui was a Spanish admiral; in 1639 he was in command of the Spanish forces at the Battle of the Downs.
WAmbrogio Spinola Doria, 1st Marquess of Los Balbases was an Italian condottiero and nobleman of the Republic of Genoa, who served as a Spanish general and won a number of important battles. He is often called "Ambrosio" by Spanish-speaking people and is considered one of the greatest military commanders of his time and in the history of the Spanish army. His military achievements earned him the title of Marquess of Los Balbases in the Spanish peerage, as well as the Order of the Golden Fleece and Order of Santiago.
WHorace Vere, 1st Baron Vere of Tilbury was an English military leader during the Eighty Years' War and the Thirty Years' War, a son of Geoffrey Vere and brother of Francis Vere. He was sent to the Palatinate by James I in 1620. He was created Baron Vere of Tilbury, and died without a male heir.
WEdward Cecil, 1st Viscount Wimbledon was an English military commander and a politician who sat in the House of Commons at various times between 1601 and 1624.