I am looking for information on Samuel H.Cox (1827-????) and his wife Mary F.Cox (1833-????). They lived in Washington,Monroe County,Missouri.Samuel was a Private in the 15th Virginia Infantry Company B AKA "Southern Guards". One of his sons was Mathew M.Cox 1861-1938 who is my Great -Great-Grandfather.His sister was Alla W.Cox(1885/6-????).Thank you for your help in this matter.