Walter Stewart, 1st Lord Blantyre Educated with James VI under George Buchanan at Stirling Castle, he was a gentleman in the king's chamber, Knight of Cardonald, Prior of Blantyre, Keeper of the Privy Seal of Scotland from 1582 to 1596, an Extraordinary Lord of Session from 1593, an Octavian from 1596, and Treasurer of Scotland from 1596 to 1599. Wikipedia