c. 1478)) April 17 – George, Duke of Saxony (b. 1471) April 19 – Katarzyna Weiglowa, Jewish martyr (b. 1460) April 30 – John Bourchier, 1st Earl of Bath, English noble (b. 1470) May 1 – Isabella of Portugal, Holy Roman Empress (b. 1503) May 7 – Ottaviano Petrucci, Italian printer (b. 1466) May 7 or September 22 – Guru Nanak, founder of Sikhism (b. 1469) June 20 – Philip III, Count of Waldeck-Eisenberg (1524–1539) (b. 1486) July 5 – St Anthony Maria Zaccaria, Italian saint (b. 1502) July 9 – Adrian Fortescue, English Roman Catholic martyr (b. 1476) August – Vannoccio Biringuccio, Italian metallurgist (b. 1480) September 8 – John Stokesley, English prelate (b. 1475) November 14 – Hugh Cook Faringdon, English Abbot of Reading December 12 – Bartolomeo degli Organi, Italian musician (b. 1474) December 20 – Johannes Lupi, Flemish composer (b. c. 1506) date unknown James Beaton, Scottish church leader (b. 1473) Cura Ocllo, Inca queen References