Andrew Stewart, 1st Baron Castle Stuart (1560–1629) was a Scottish nobleman, soldier, courtier to King James VI and I and one of the chief undertakers in the Ulster Plantation.
In August 1592 the king sent him to raid the House of Row in Liddesdale to catch counterfeiters and their coining irons who were working for the rebel Francis Stewart, 5th Earl of Bothwell.
[5] A warrant from James VI dated July 1598 to the treasurer, Walter Stewart of Blantyre, requests 3,000 merks to be used to redeem jewels belonging to the queen which he had pledged for a loan.
His orders including the destruction of shipping, named in his commissions as lymphads, galleys, and birlinns belonging to rebellious subjects.
They were the parents of five children: Mary Kennedy, Lady Ochiltree helped bring up Princess Elizabeth at Linlithgow Palace.