My GG Grandfather, William M. Frederick went north from Marion Co. Al to Tuscumbia and joined the 3rd Ohio Cav with George W. Kennedy (June 1862). William's brother James W. Frederick left Marion Co. and in Tuscumbia, joined the 38th Ohio Inf. (July 1862). I am looking for William's other brother, John Frederick. There is a John Frederick in the 38th Ohio Inf and 1st Ohio Inf. but details are vague.Are these names familiar to anyone?