Frisian warlord and freedom fighting rebel (d. 1492) Deaths January 16 – Erasmo of Narni, Italian mercenary (b. 1370) January 28 – Robert le Maçon, Chancellor of France February – Guidantonio da Montefeltro, count of Urbino (b. 1377) March 24 – James Douglas, 7th Earl of Douglas (b. 1371) April 12 – Henry Chichele, Archbishop of Canterbury May – John II, Count of Nassau-Siegen May 9 – Niccolò Albergati, Italian cardinal and diplomat (b. 1373) June 5 – Ferdinand the Holy Prince of Portugal (b. 1402) August 16 – Ashikaga Yoshikatsu, Japanese shōgun (b. 1434) September 18 – Lewis of Luxembourg, Archbishop of Rouen date unknown – Infante Diogo, Constable of Portugal Jelena Balšić, Serbian duchess (b. 1366) probable – Zeami Motokiyo, Japanese actor and playwright (b. 1363) References