James Webb, age 47 Sarah Webb, age 34 George W Webb, age 10 Andrew J Webb, age 9 Joseph Webb, age 5 William E Webb, age 3 Elizabeth Webb, age 1 all born in Tennessee
The oldest 3 children were all born before James married Sarah - the assumption is that James was married before and these were the children of his first wife.
Sarah Webb, age 47 A J Webb, male, age 19 J Webb, male, age 17 Wm Webb, male, age 12 E Webb, female, age 10 S Webb, male, age 8 N P Webb, male, age 5 M J Gregory, female, age 36 (relationship not indicated; she couldn't read & write) all born in Tennessee
The oldest 2 children are assumed to be the children of James's first wife.