Michael Koonce, son of George, son of Johan Koonce, married Elizabeth Jarman. Michael and Elizabeth had several childern, one of which they named Emanuel Jarman Koonce.
Following the same naming practice, George Small Koonce,son of Jesse Koonce, son of George Koonce, Jr, son of George, son of Johan. Jesse Koonce with wife (unknown first name to me) Small, and named him George Small Koonce.
As in many cases with the Koonce families, they usually gave one of the children a middle name for the wife's maiden name.
check www.gencircles.com - great web site and has some Koonce family info.