Andrew Stuart, 1725-1801, served as tutor to the children of James, 6th Duke of Hamilton, and acted as his lawyer in the claim of Archibald James Edward Douglas, 1st Baron Douglas, against the family estate. A member of Parliament from 1774-1784 and 1790 to his death, he was also Commissioner on the Board of Trade. He succeeded to the estate of Sir John Stuart of Castlemilk, Lanarkshire in 1797 and a year later published The Genealogical History of the Stewarts.

Thomas Astle, 1735-1801, was born on 22 December 1735 in Yoxall, England. He studied law but ultimately went into the archival profession. He was admitted to the Society of Antiquaries of London in 1763 and to The Royal Society of London for Improving Natural Knowledge in 1766. He became chief clerk of the Record Office in the Tower of London in 1775 and was promoted to Keeper of the Records in 1783. Astle published several articles in Archaeologia, the journal of the Society of Antiquaries of London, as well as a few books on antiquities. He died in London on 1 December 1803.