With regard to Maximilian’s son Philippe le Beau, Gilles Ghiselin was in a different position. He was the child not only of Maximilian, but also of Mary of Burgundy, and the grandson of his old master Charles the Bold. Moreover, the early education of Philippe had been entrusted to the neighbour, connection, and doubtless intimate friend and ally of the Busbecqs, Jeanne de la Clite,[31] of whom mention has already been made. She probably exercised considerable influence over the selection of the officers of the young prince’s household, and it is not surprising to find that Gilles Ghiselin II. filled the post of _écuyer trenchant_.[32] It is not probable that Philippe le Beau had like his grandfather fifty squires to discharge the duties of this office. It is more likely that Gilles Ghiselin II. was his sole _écuyer trenchant_, though it is possible that he may have had one or two coadjutors. On attaining his eighteenth year Philippe was united to Joanna the second daughter of Ferdinand and Isabella of Spain. In its political issues this marriage was probably the most important event of its kind in the history of the world. Philippe was already Sovereign of the Low Countries, as his mother’s heir; through his father he was entitled to the reversion of the possessions of the house of Hapsburg, and had practically a claim on the Imperial title. Joanna, on her part, was destined to become by the death of her brother and her nephew heiress of Spain, and to transmit not only Spain itself, but vast empires in the western hemisphere to the descendants of this marriage. Of Philippe and Joanna were born two sons, Charles V., the famous Emperor, and Ferdinand, who was born in Spain, and brought up there by his grandfather Ferdinand of Aragon, to whom his brother resigned Austria, Styria, and the Tyrol, and who succeeded eventually to the Imperial title. The last of these two princes specially commands our notice, for he it was who invited young Ogier Ghiselin into his service, and sent him first to England, and afterwards to Constantinople. In November 1501 Philippe and Joanna left the Netherlands for a visit to Spain. The Count of Nassau was entrusted with the government of the country, and with the care of their children whom they left behind them. Their family then consisted of Charles, the future Emperor, and his two sisters, Leonora[33] and Elizabeth.[34] Mechlin was appointed as their residence, and an establishment was created for them, in which the post of _premier écuyer trenchant_ was assigned to Gilles Ghiselin, who had been the faithful servant of their father and their great grandfather. Gilles Ghiselin did not live to see his young master and mistresses ascend the thrones, to which they were destined; he died in 1514, full of years and honours. The careers of George and Gilles Ghiselin had an important bearing on the destinies of Ogier; his credentials to Ferdinand were the eminent services of his grandsire and great uncle.