Alexander Hume-Campbell, Lord Polwarth, 2nd Earl of Marchmont (1724): Signet Warrants for his salary, etc., as Ambassador to Denmark, Cambray Congress, etc.: 1720, 1722. Frederick IV of Denmark: Signet Warrants for payment of English Envoys' salaries, etc.: 1720.
Frederick IV of Denmark: Signet Warrants for payment of English Envoys' salaries, etc.: 1720. John Campbell, 2nd Earl of Breadalbane 1733; styled Lord Glenorchy: Signet Warrant for his salary as Envoy to Denmark: 1720.