Died in 1437

Jan 3 Catherine of Valois the Queen consort of England from 1420 until 1422. She was the daughter of Charles VI of France, wife of Henry V of England, mother of Henry VI of England, and through her secret marriage with Owen Tudor, the grandmother of Henry VII of England. Catherine's older sister Isabella was queen of England from 1396 until 1399, as the child bride of Richard II
Feb 21 James I of Scotland the son of King Robert III and Annabella Drummond. He was the last of three sons and by the time he was eight both of his elder brothers were dead—Robert had died in infancy but David, Duke of Rothesay died suspiciously in Falkland Castle while being detained by his uncle, Robert, Duke of Albany. Although parliament exonerated Albany, fears for James's safety grew during the winter of 1405–6 and plans were made to send him to France. In February 1406, James was accompanying nobles close to his father when they clashed with supporters of Archibald, 4th Earl of Douglas, forcing the prince to take refuge in the castle of the Bass Rock, a small islet in the Firth of Forth. He remained there until mid-March, when he boarded a vessel bound for France, but on 22 March while off the English coast, pirates captured the ship and delivered James to Henry IV of England. Two weeks later, on 4 April the ailing Robert III died, and the 12-year-old uncrowned King of Scots began his 18-year detention
Apr 1 Louis of Cyprus King of Cyprus, reigning together with and in the right of his wife, Queen Charlotte of Cyprus. He was the second son and namesake of Louis, Duke of Savoy, and his wife Anne of Lusignan, daughter of King Janus of Cyprus. He was born in Geneva
May 22 Jean de Villiers de L'Isle-Adam governor of Paris, a Marshal of France and Knight in the Order of the Golden Fleece.
Jul 14 Adolf Duke of Jülich-Berg the first Duke of the combined duchies of Jülich and Berg. He was the son of William VII of Jülich, 1st Duke of Berg and Anna of the Palatinate
Aug 7 Marie I Countess of Auvergne suo jure Countess of Auvergne and Countess of Boulogne from 1424 to her death in 1437, having inherited the titles from her cousin Joan II, Countess of Auvergne. She was also styled Dame of Montgascon
Sep 22 Pedro de Menezes 1st Count of Vila Real a 15th-century Portuguese nobleman and military figure. Pedro de Menezes was the 2nd Count of Viana do Alentejo, 1st. Count of Vila Real and the first Portuguese governor of Ceuta
Nov 20 Thomas Langley an English prelate who held high ecclesiastical and political offices in the early to mid-1400s. He was Dean of York, Bishop of Durham, twice Lord Chancellor of England to three kings, and a Pseudocardinal. In turn Keeper of the King's signet and Keeper of the Privy Seal before becoming de facto England's first Foreign Secretary. He was the second longest serving Chancellor of the Middle Ages
Dec 9 Sigismund Holy Roman Emperor Prince-elector of Brandenburg from 1378 until 1388 and from 1411 until 1415, King of Hungary and Croatia from 1387, King of Bohemia from 1419, and Holy Roman Emperor for four years from 1433 until 1437, the last male member of the House of Luxemburg. He was also King of Italy from 1431, and of Germany from 1411. He was regarded as highly educated, spoke several languages and was – unlike his father Charles – an outgoing person who also took pleasure in the tournament