I know that it is a near impossible task, but anyone have any idea or sources that may ID the below "Jim"

Thanks GP

Title:Â Lee ad his lieutenants; comprising the early life, public services, and campaigns of General Robert E. Lee and his companions in arms, with a record of their campaigns and heroic deeds ... by Edward A. Pollard.
Author:Â Pollard, Edward Alfred, 1831-1872.

"He now claimed their protection and kindness. As a generous master he was endeared to all of them; and as an evidence of the attachment of the negro, his body-servant, "Jim," had followed him throughout the war, and had twice borne him wounded from the field."