Cornet, 13 October, 1741. Lieutenant, 3 February, 1746-7. Adjutant, 1 June, 1750. Captain-Lieutenant, 13 September, 1754. Captain, 11 January, 1755. Major in Muster Roll ending 24 June, 1760. Lieutenant-Colonel and Captain, 14 November, 1770. Promoted Colonel of the 21st Dragoons, 25 April, 1779.
SIR WILLIAM DOUGLAS.
Adjutant and Captain, 1 April, 1692, to 31 March, 1694.
WILLIAM DOUGLAS.
Cornet, 21 April, 1692, to 27 April, 1697. Lieutenant, 28 April, 1697, to 15 March, 1698.
WILLIAM DOUGLAS.
Cornet, in Muster Roll of 24 June, 1760, in Major John Douglas's troop. Promoted Lieutenant, 3 March, 1764.
ROBERT DOUNES.
Lieutenant, from 19th Light Dragoons, by purchase, 23 October, 1817.
FRANCIS DREWE.