according to a deed in the National Archives of Scotland – on 30 April 1606, Robert Graham of Grougar, husband of Margaret Montgomerie, sold land in the parish of Colmonell [NRS.GD109.672]. The Grahams rule as Barons of Grougar was relatively brief as in 1613 the barony was granted to a branch of the Clan Campbell headed by Sir Hugh Campbell, first Lord Loudoun, Sheriff of Ayr and a Privy Councillor in Scotland. On 27 July 1613, King James VI granted the barony of Grougar with its fortalice, manor place, mill, mill-lands, tenantry, etc., in the bailliary of Cunningham, Ayrshire, to Hugh, Lord Loudoun, and his heirs, formerly held by Robert Graham, Earl of Montrose, Lord Graham and Mugdock, lands in the nearby parish of Auchinleck, formerly held by Claud, Earl of Abercorn, were then incorporated in the free barony of Grougar [RGS.VII.896]. This grant was confirmed on 23 December 1613 [RGS.VII.967]. However Lord Loudoun's ownership of Grougar was very brief as within three years it was granted to the Boyds of Kilmarnock. King James VI granted Robert, Lord Boyd, the lands and barony of Grougar, which Hugh, Lord Loudoun, had resigned, 30 January 1616 [RGS.VII.1372]. Robert Boyd, 7th Lord Boyd, was born in November 1595 elder son of Thomas, 6th Lord Boyd, and died on 28 August 1628. On 11 December 1617, King James VI confirmed a charter of Robert, Lord Boyd, who under his marriage contract of 9 December 1617 granted his future wife Lady Christine Hamilton, Lady Lindsay, daughter of Thomas, Lord Binning president of the College of Justice and Secretary of State, the lands and barony of Grougar [RGS.VII.1733]. However, on 3 August 1619, the king confirmed Robert, Lord Boyd, with the lands and barony of Grougar [RGS.VII.2069]. Robert Boyd, 8th Lord Boyd, was born in 1618, he was a Justice of the Peace for Cunningham by 1634; he subscribed to the Scottish Covenant in 1638, he married Anna Fleming and died on 17 November 1640 and having no children his lands and titles went to his uncle James Boyd. James Boyd, 9th Lord Boyd, was born around 1600; he was a Royalist during the Wars of the Three Kingdoms, 1638–1651. James Boyd married Catherine, second daughter of John Crayke in York before 1640. He died in 1654 leaving a son William and three daughters. On 28 February 1655, William, 10th Lord Boyd, was served heir to