About Andrew Mackenzie, WS
"Mackenzie, Andrew — Apprentice to John Mackenzie. — Second son of Kenneth Mackenzie, Professor of Civil Law in the University of Edinburgh. Died 10th September 1793. Mar. 30th April 1789, Janet, daughter of James Goodlet Campbell of Achlyne, Perthshire."
SOURCE: The Society of Writers to Her Majesty's Signet; 1890; page 132