– Antoninus of Florence, Italian archbishop (b. 1389) August 27 – James of Portugal, Portuguese cardinal (b. 1433) September 6 – Katharina of Nassau-Beilstein, German regent September 17 – Isabella of Urgell, Duchess of Coimbra, Portuguese Duchess (b. 1409) September 23 (killed at the Battle of Blore Heath): James Tuchet, 5th Baron Audley (b. 1400) Thomas Dutton, English knight (b. 1421) September 24 – Eric of Pomerania, King of Norway, Denmark and Sweden (b. 1382) October 30 – Gian Francesco Poggio Bracciolini, Italian humanist (b. 1380) November 5 – John Fastolf, English soldier December 4 – Adolf VIII, Duke of Southern Jutland (b. 1401) References