Here is some more info to add to your story about Francis Ferguson.
Francis M. Ferguson enlisted as a Private in A Company, 1st Infantry Batallion, CSA. That unit was composed of men from Smithville and DeKalb Co. He was captured while on leave at home, escaped, captured again with wounds, and sent to Camp Mortan, Indiana, after being captured at Donelson. He was in a Union Hospital in Camp Mortan when he died in 1862 from his wounds. .After he died, Sarah and George lived with their grandfather, Luke. Nancy lived with a relative, Thomas McDowell, in Dekalb Co.. Their mother worked as a servant in the Burgess Wamack family in Warren Co., over 100 miles away. Lorenzo was working as a farm hand for a relative, Abraham Cantrell, in Dekalb County.