SCHELL FAMILY - PIONEERS OF MISSOURI - Descendants and Ancestors of Henry Schell and Elizabeth (Yocum) Schell. Henry Schell (1810-1863) and Elizabeth Yocum (1819-1900), were born in early Missouri Territory, married in 1835 and started a trading post at the base of a small hill or "knob" along the White River. The town of Shell Knob, Missouri grew from this early settlement and was named after them. About 1845 they moved further west, and built a mill and trading post along Big Sugar Creek in what is now McDonald County, Missouri. Henry and Elizabeth had twelve children that lived to...