The Lauder connexion continued as Lords Mordington intermarried with the Douglas of Whittingehame family who had intermarried with the Lauders of The Bass about 1537. George Douglas, 4th Lord Mordington was married to Catherine Lauder (both died 1741). Their son, Charles Douglas, 5th Lord Mordington, was a Jacobite and was forfeited following the 1745 uprising. He died s.p. Uncles did not attempt to reclaim the title and it fell dormant. In 1799 the proprietor of the estate was a Joseph Marshall, Esq.