of the House of Borgia (b. 1518) September 20 – Infante Duarte, Duke of Guimarães, son of King Manuel I of Portugal (b. 1515) October 5 – Helius Eobanus Hessus, German Latin poet (b. 1488) date unknown – Francisco de Ulloa, Spanish explorer probable Tristão da Cunha, Portuguese explorer (b. 1460) Johann Georg Faust, German alchemist (b. 1480) References