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July 17. Lyons. Pope Innocent IV writes to the faithful of the Kingdom of Jerusalem, relating, after a flowery arenga, that the addressees ‘are the celestial plantation that inhabits the land that the Redeemer of all consecrated with the shedding of his own blood’. Thus he exhorts them to persist in their reverence for, and obedience to, their mother the Church, although the former emperor Frederick [II] tries with tricks to pry them away from their salvation so that he may not perish alone in his wickedness. Otherwise, with depraved conversation corrupting good ways, the treasure of their merits would quickly be depleted, if they deviate from the right path of Christ and follow Frederick to death. Thus the pope incites and urges them to assist devoutly their true Mother who will defend the humble with her salutary arm after the annihilation of the ‘evil forces’.