Duke of Brabant (b. 1403) May 7 – Thomas la Warr, 5th Baron De La Warr, English churchman May 28 – Henry IV, Count of Holstein-Rendsburg (b. 1397) July 19 – Stefan Lazarević, Despot of Serbia (b. 1377) date unknown Chimalpopoca, Aztec Tlatoani (ruler) of Tenochtitlán (b. 1397) Qu You, Chinese novelist (b. 1341) probable Jehuda Cresques, Catalan cartographer (b. 1350) Gentile da Fabriano, Italian painter Radu II Prasnaglava, ruler of Wallachia, probably killed in or after a lost battle References