 On 16 August 1399, Lipmann and many other Jews were thrown into prison at the instigation of a converted Jew named Peter, who accused them of insulting Christianity in their works.Lipmann was ordered to justify himself, but while he brilliantly refuted Peter's accusations, as a result of the charges seventy-seven Jews were martyred on 22 August 1400, and three more, by fire, on 11 September 1400.Of the accused Lipmann alone escaped death.