Family
He was the son of Colonel John Campbell and Katherine Claiborne. He married Margaret Foster who died in London in 1786; they had children • John Campbell b. 8 January 1735. John Campbell left Jamaica in 1756 "owing to a bad state of health" but returned in 1767 to dispose of the estates in order to clear his debts. • Elizabeth Campbell born 15 December 1736. • Margaret Jane Campbell born a 6 January 1739. She died in Surrey in September 1771. • Colin Campbell1 b. a 1747. He was a Lt. Colonel in the 1st Guards and died at Portman Square, London, in 1793 having contracted "the Dunkirk fever" while campaigning against the French in Flanders. ==Works==
Works
• "An Account of Some Observations Made in London, by Mr. George Graham, F.R.S. and at Black-River in Jamaica, by Colin Campbell, Esq; F.R.S. concerning the Going of a Clock; In Order to Determine the Difference between the Lengths of Isochronal Pendulums in Those Places". Communicated by J. Bradley, M. A. Astr. Prof. Savill. Oxon. F.R.S. Phil. Trans. 1733 38:302-314; ==References==