Gregor DRUMMOND m: 1768 to Margaret MCALPINE in Callendar Perth. Searching for Gregor Drummond's parentage. Married with surname of Drummond, changed surname to McGregor after birth of 1st child, Patrick c: 15 Nov 1768. Other children, John c: 25 Dec 1773, Robert c: 5 May 1775, Alexander c: 12 Jan 1777, Catharine c: 15 Feb 1778, Robert c: 7 May 1780. All children born in Callendar. Alexander m. Margaret MCLEAN and had son John c: 15 May 1803 in Aberfoyle, Perth.