sentences:  Sir Mungo's son was George Stirling who was created a Baronet of Nova Scotia in 1666.The Stirlings of Keir had acquired the lands of Keir in Perthshire in the mid 15th century when Prince James, son of James II of Scotland rebelled against his father and Sir William Stirling of Keir was one of his supporters.Sir William Stirling's descendant, Sir Archibald Stirling of Keir was a prominent lawyer who supported the king during the Scottish Civil War and on the Restoration of the monarchy in 1660.