My 3xGrandparents were John MELVILLE b. June 20, 1800 d. 1884 .He married Jane McKAY in Portgower on Feb.22, 1828.They had six children:- Catherine b. 1829 who m. James McKay b. 1831 in W.Helmsdale ,marriage in Edinburgh in 1856 ...may have gone to NSW, Australia, Donald b. 1830..not on 1841 census, Hugh b. 1831 vanishes after the 1851 census ...probably in NSW, Jane b. 1834 m. David Bremner in Edinburgh and stayed there to have a family , Isabella, b. 1836 , my 2x grandmother I know about..m.in Edinburgh who moved to South Shields from Renfrew with her family of 4 children in 1870s and Roberta b.1839 married Alex MURRAY also a cooper like her father.They took over the croft to help her aging parent.I have never been able to trace Jane McKAYs parents or siblings. She died after the 1841 census and he married Grace MacPherson in 1847. Would appreciate any help with this family.