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
Philip II, Duke of Brunswick-Grubenhagen Philip I's death in 1551, he was first succeeded in government by his eldest son Ernest III. After Ernest's death in 1567, his brother Wolfgang succeeded. When he too died without male descendants in 1595, Philip II succeeded. Duke Philip II was married to his cousin Clara of Brunswick-Wolfenbüttel (1532–1595), designated Abbess of Gandersheim, who had renounced her ecclesiastical office after the abbey had been occupied by Schmalkaldic troops in the course of the Protestant Reformation and plundered afterwards. The couple took residence at the secularised monastery of Katlenburg, which Philip II had rebuilt in a Renaissance style. In 1595