About John Hamilton
"Son of John Hamilton of Orbieston, by Christian, daughter of Sir Robert Dalzell of that Ilk. He was knighted and appointed Justice Clerk in 1636; took his seat as an Ordinary Lord, in place of Sir Thomas Henderson, Lord Chesters on the 11th January 1637; and received a renewal of both these offices, ad vitam aut culpam, from the king with the consent of the estates, November 1641. He was a member of the Committee of Estates in 1644 and 1645, and was on the 1st February of the latter year appointed a Commissioner of Exchequer. He joined Montrose after the victory of Kilsyth, for which act of malignancy it is said Mr Mackail made him sit on the stool of repentance. He was appointed one of the Committee of Estates in 1648, but joining in the engagement, was deprived of his offices by a decreet of the estates,15th February 1649. Sir John died in 1664."
SOURCE: An Historical Account of the Senators of the College of Justice: From Its Institution in MDXXXII; by George Brunton, David Haig; 1832; Page 296