Holyrood Abbey of Holyrood during the four centuries of its existence as a religious house were Kings David I and II; Robert, Bishop of St. Andrews; and Fergus, Lord of Galloway. The Parliament of Scotland met at the abbey in 1256, 1285, 1327, 1366, 1384, 1389 and 1410. In 1326 Robert the Bruce held parliament here and there is evidence that Holyrood was being used as a royal residence by 1329. The Treaty of Edinburgh–Northampton (1328), which brought an end to the First War of Scottish Independence, was signed by Robert I in the "King's Chamber" at Holyrood in March 1328. The
Royal Scots Greys became the Royal Regiment of Scots Dragoons. In this period, regiments were considered the personal property of their Colonel and changed names when transferred. At senior levels in particular, ownership and command were separate functions; 'Colonel' usually indicated ownership, with operational command generally exercised by a Lieutenant Colonel. Charles II's commander in Scotland, Lieutenant-General Thomas Dalziel, 1599-1685 was appointed Colonel with Charles Murray, Lord Dunmore as Lt-Colonel. Shortly after James II & VII became King in February 1685, a Scottish revolt known as Argyll's Rising broke out in June which was easily crushed: the regiment saw action against Argyll's army