[1] The third commission went to Captain John Graham of Claverhouse, a man of less exalted rank, but a highly regarded officer of the Dutch Life Guards, who had gained the powerful patronage of the king's brother, the Duke of York.
It seems that Dayell did not get on well with Airlie or Graham,[1][4] and tactically, he seems to have favoured the dragoons, companies of mounted infantry armed with muskets and polearms, clad in plain hodden grey uniforms.
[1] Soon after, the regiment was exempted from the purview of the Inspector of the Forces alongside the Life Guard,[1] suggesting that like the similarly named unit in England, it shared some of the prestige of the Household troops.
Claverhouse remained firmly committed to King James,[5] but his second-in-command, the Earl of Drumlanrig went over decisively to William of Orange, and was rewarded with command of the Scottish Troop in his Life Guard.
[5] William III had appointed Charles Douglas, 2nd Earl of Selkirk as the new commander of the King's Own Regiment of Horse, and planned to send them to fight in Ireland; but any meaningful force of troopers that remained seems to have drifted away.