He was her 2nd husband. (SV-404 pg 316)
1860 KY Census (Ancestry.com): Samuel Clarkston (49 VA) living in Dist. 1, Perry Co. with wife, Nancy (45 VA) and 5 sons: Samuel (18 VA); Thos (16 KY); Alex (13 KY); Squire (10 KY) and Miller L. (8 KY).
1870 KY Census (Ancestry.com): Esquire Clark (22 VA) living next door to father in Maggard, Perry Co. with wife, Basleumiah (sic?) (24 VA).
1880 KY Census (Ancestry.com): Squire Clark (28 KY) living in Dist. 5, Perry Co. near father, Samuel, with wife, Marthy (23 KY) and son, Millard (1 KY).
1900 U.S. Census (Ancestry.com): Not found.
1920 U.S. Census (Ancestry.com): Not found.
1930 U.S. Census (Ancestry.com): Not found.