In the Life of Caradoc, a Middle French narrative embedded in the anonymous First Continuation of Chrétien de Troyes' Perceval, the Story of the Grail, another similar challenge is issued.
I The Life of Caradoc, en middelfransk fortælling fra en anonym fortsættelse af Chrétien de Troyes’ Perceval, the Story of the Grail, indgår en lignende udfordring.