The Barony remained primarily in the Erskine family from 1563 until the first Jacobite rebellion. In 1715, John, 6th Earl of Mar (9th Baron of Cowie), became a leader of the Jacobite rebellion of James Edward, the Old Pretender. Mar had no military experience and was a poor general. In an indecisive battle at Sheriffmuir in 1715, Mar was unable to defeat a smaller force under the Duke of Argyll. With the failure of the ’15, Mar fled with the Pretender to France, where he spent the rest of his life in exile. In 1716, a Writ of Attainder was passed against the Earl, which stripped him and his heirs of all their lands and titles. The Murrays of Polmaise were one of the beneficiaries of the Attainder against the Earl. In 1716, Sir William Murray of Touchadam and Polmaise became the first Murray holder of Cowie. He died childless and was succeeded by his uncle William Murray, 8th of Touchadam &amp; of Pitlochrie and Polmaise in 1729. He succeeded by his son William Murray of Touchadam, Pitlochie and Polmaise in 1758. The Barony remained in the Murray family until 1926.