House of Lancaster to members of the family and their supporters. The family provided England with three kings: Henry IV, who ruled from 1399 to 1413, Henry V (1413–1422), and Henry VI (1422–1461 and 1470–1471). The House became extinct in the male line upon the murder in the Tower of London of Henry VI, following the battlefield execution of his son Edward of Westminster, Prince of Wales, by supporters of the House of York in 1471. Lancastrian cognatic descentfrom John of Gaunt and Blanche of Lancaster's daughter Phillipacontinued in the royal houses of Spain and Portugal while the Lancastrian political cause was maintained
Johann Heynlin Sallust (1470-1471), the third the "Orationes" of Bessarion (1471), and the fourth was Fichet's own "Rhetorica" in 1471. The number of the works which they published from 1470 to 1472 amounts to some thirty works. At the end of 1472 or at the beginning of 1473, Heynlin and Fichet left the Sorbonne to settle on Rue Saint-Jacques. Two of their apprentices, Pierre de Kaysere (Petrus Caesaris) and Jean Stoll, established around the same time and on the same street their own competing printing press, with the emblem of the "Soufflet-Vert". The German humanist Johann Reuchlin attached himself to Heynlin, whom