 He had been chosen by the Safavid Persian emperor Sultan Husayn for the mission and travelled with a grand entourage, as suitable to the diplomat of a mighty empire.The scene of the Persian ambassador's entry into Paris, 7 February 1715, was described by François Pidou de Saint-Olon (1646–1720), a nobleman who was delegated the diplomatic position of liaison officer to the Persian delegation.On 29 July 1714, upon the insistence of his morganatic wife, the marquise de Maintenon, Louis XIV elevated his legitimised children to the rank of Princes of the Blood, which "entitled them to inherit the crown if the legitimate lines became extinct".