Original sentence: He made an important agreement in 1635 for the purchase from James Campbell, Lord Cantire, of the lordship of Cantire, or Kintyre, of which 'the MacDonnells had been dispossessed in 1600 by Argyll; but his possession was successfully opposed by Lord Lorne
Edited sentence: He made an important agreement in 1635 for the purchase from James Campbell, Lord Cantire, of the lordship of Cantire, or Kintyre, of which 'the MacDonnells had been dispossessed in 1600 by Argyll; but his possession was successfully opposed by Lord Lorne Archibald Campbell, 1st Marquess of Argyll