The two saints kneeling in the foreground are the little-known St. John of Matha, a native of Faucon in Provence, and St. Felix of Valois, who lived at the turn of the twelfth century. Both were founder members of the Order of the Trinitarians, whose main mission was to free captives taken by the Moors, either by offering ransoms or themselves, by proxy, hence their role as patron saints of prison