Rome was entering a period of turmoil related to the Conciliar movement after the death, in February 1431, of Pope Martin V; many musicians left at that time or shortly after, and Lantins may have been one of them.
Roma estaba a entrar nun período de axitación relacionada co movemento conciliador tras a morte en febreiro de 1431 do papa Martiño V, e moitos músicos abandonan a cidade nese momento ou pouco despois; é probable que Lantins fose un deles.