said sum of money, as to earl John, as to count Louis, as to the count of Angouléme and his people, as to the count of Perche, and as to the count of Mellent, shall be duly observed by him and his. Also, -when the king of France shall have received possession of Loches and Chatillon, and the archbishop of Pheims of Driencourt and Arches, the king of France -will receive the king of England into his favour for the carrying out of the aforesaid covenants, according to the tenor of this present instrument, and will entreat the emperor to set the king of England at liberty. The said chancellor, and William des Roches, John de Pratelles, and William Bruyère, have also sworn upon the soul of the king of England that the king of England shall observe the covenants which are contained in the present instrument, and that, when the king of England shall return, he shall, in his own person, make oath within a reasonable time after he shall have been summoned by the king of Prance, that he will observe the aforesaid covenants, and wiB give to him his letters patent thereon. In addition to this, the four persons aforesaid, and with them the constable of Normandy, Bobert de Harencourt, and Stephen de Longchamp, have made oath that, if the king of England shall not observe the aforesaid covenants, they wiB, at Paris, place themselves in the custody of the king of France. Such of the archbishops, bishops, and barons of the territory of the king of England, as the king of France shaB think fit, shall, when called upon, make oath that they will, at Paris, place themselves in the custody of the king of France, if the king of England shall not observe the aforesaid covenants, according to the tenor of this present treaty. And if the king of England shall chance to die before the king of France shall have restored the said four castles, then the king of France shall restore the said four castles to his right heir, in consideration of his performing the said covenants, according to the tenor of this present treaty, saving always the rights of the king of Prance. To the end that aB the matters aforesaid may remain ratified and inviolate, I, William, bishop of Ely, chancellor of the king of England, and I, William des Roches, and I, John de Pratelles, and I, William Bruyère, have, by command of our lord the king of England, corroborated the same with the attestation of our respective seals. Done at Mayenne, in the year from the Incarnation of our Lord one thousand one hundred and ainety-three, on the eighth day before the ides of July."