 Under Wasilko's rule, the churches of Saint John, that became the parish church of the city, as well as of Saint Martin and Saint Anne (in the Upper and the Lower Castle, respectively) were erected in Vilnius.Upon Wasilko's death in 1398, he was succeeded by a Franciscan, Jakub Plichta (1398–1407), in whose time the Cathedral perished in fire.Among his successors were