William Smith m. Katherine Halcrow - in 1743 had Nicol Smith b. 1747 (surely there were more children but have not found them)
Nichol Smith (son) m. Katherine Sinclair in 1769
Children of Nicol Smith & Katherine Sinclair are William b. 1769, James b. 1772, Katherine b 1774 & Agnes b. 1776 - no more children shown