My GG Grandfather Lucian Decalb Martin and his half brother Niles Martin fought in the Civil War on the confederate side in the Infantry 18th Regiment, Texas Infantry (Ochiltree's)
Source: http://www.itd.nps.gov/cwss/soldiers.
Both of my relatives are buried in the Martin Cemetery in Bosque County Texas. I have pictures of same if you are interested. I have posted the Confederate Headstone marker for Lucian DeKalb Martin.
If any of you have any information on either of these two people I would appreciate an email.