A Google search Confederate Colored Soldier Henry "Dad" Brown yields some interesting material, see:

https://www.google.com/search?client=safari&rls=en&q=Confederate+Colored+Soldier++Henry+%22Dad%22+Brown+&oq=Confederate+Colored+Soldier++Henry+%22Dad%22+Brown+&gs_l=serp.12...3800.16460.0.18414.29.23.0.4.4.0.361.2500.0j6j1j4.11.0.msedr...0...1c.1j2.61.serp..15.14.2386.5TYl0yI30qY