John The Joab Mershon who went to Vermont, Fulton Co., IL in 1838 was born in Delaware Co., PA, 26 Jan 1812; d. 13 Nov 1888 in Vermont, IL; m. in Vermont, 7 Jan 1841, Sarah Dilworth.Sarah was born 4 April 1823, and d. in Vermont 25 Nov 1887.They had 10 children.
Joab was a son of Henry and Ruth (Dilworth) Mershon. Henry was b. 21 April 1785 in PA; d. 9 May 1869 in IL; m. 1808/1809 Ruth Dilworth; b. 1779 in PA; d. 11 May 1865, IL.They had 10 children.Henry was the son of Stephen, son of Lt. Henry, son of Andrew, son of Henry Mershon, son of Henri Marchand.