<-	great-grandparents	2x-great-grandparents	3x-great-grandparents	4x-great-grandparents	->
				8 John Wrightson (1778-????)	->
			4 Arthur Dixon Wrightson (1819-????)	| |
			| |	9 Ann Dixon
		2 John Wrightson (1846-c1916) IMMIGRANT	| |
		| |	| |	10 James Laidlaw
		| |	5 Margaret Laidlaw (1826-????)	| |
		| |		11 Hannah Alloy
<-	1 Mary Elinor Wrightson (1880-1978) IMMIGRANT	| | | |
		| |
		| |	6 David Dobbin
		| |	| |
		3 Isabella Dobbin (1841-1903) IMMIGRANT	| |
			| |
			7 Margaret Anderson