 On 14 February 1703, he was made a Gentleman of the Bedchamber, and on 21 June 1706 he was appointed a Knight of the Garter.He was afterwards Chamberlain to Queen Mary of Modena, and is said to have been created a Knight of the Golden Fleece by the King of Spain.During James's exile, the Duke of Perth acted as his ambassador to Rome, and after the King's death, Perth erected a monument to him in Paris.