At the risk of sounding like a knowitall. Christiansburg is in Montgomery County, and that is exactly where we find your man Montgomery co 1850 # 1113 William Clark age 55 w Carp Mass Ellen 55 Ny Edwin R 23 carp Va John M 19 carp. Botetourt Co 1850 # 139 John Eakin 37 w far Va Mahala 27 Nancy 63 Mary 39 James T A 19 far I dont see a SESSLER family in either County with a person the right age. as your Mary. If i can help more i will. Rena ------snip-------