Died in 1476

Apr 26 Simonetta Vespucci an Italian Renaissance noblewoman from Genoa and the wife of Marco Vespucci of Florence. She was renowned for being the greatest beauty of her age—certainly of the city of Florence
Jun 8 George Neville (bishop) the youngest son of Richard Neville, 5th Earl of Salisbury, and Alice Neville, 5th Countess of Salisbury. He was the brother of Richard Neville, 16th Earl of Warwick, known as the "Kingmaker."
Jul 6 Regiomontanus a German mathematician, astronomer, astrologer, translator, instrument maker and Catholic bishop.
Jul 19 Pierfrancesco the Elder an Italian banker and diplomat, a member of the House of Medici of Florence.
Aug 23 Catherine of Saxony Electress of Brandenburg a princess of Saxony by birth and Electress of Brandenburg by marriage.
Sep 8 Jean II Duke of Alençon the son of John I of Alençon and his wife Marie of Brittany, Lady of La Guerche , daughter of John V, Duke of Brittany and Joan of Navarre. He succeeded his father as Duke of Alençon and Count of Perche as a minor in 1415, after the latter's death at the Battle of Agincourt. He is best known as a general in the Last Phase of the Hundred Years' War and for his role as a comrade-in-arms of Joan of Arc, who called him "le beau duc"
Oct 9 Stefan Branković briefly the despot of the Serbian Despotate between 1458 and 1459, member of the Branković dynasty. He is venerated as a Saint Stefan the Blind by the Serbian Orthodox Church
Dec 1 Agnes of Burgundy Duchess of Bourbon Not to be confused with Agnes of Burgundy, Duchess of Aquitaine.
Dec 12 Frederick I Elector Palatine a Count Palatine of the Rhine and Elector Palatine from the House of Wittelsbach in 1451 - 1476.
Dec 22 Isabel Neville Duchess of Clarence the elder daughter of Richard Neville, 16th Earl of Warwick , and Anne de Beauchamp, 16th Countess of Warwick. She was the wife of George Plantagenet, 1st Duke of Clarence. She was also the elder sister of Anne Neville, who was Princess of Wales, by her first marriage and Queen consort of England by her second
Dec 26 Galeazzo Maria Sforza Duke of Milan from 1466 until his death. He was famous for being lustful, cruel and tyrannical