Answer: I am BG Abraham Buford II CSA and my cousin Brigadier General John Buford USA was the hero of the first day at Gettysburg.
Source: Historical Sketch & Roster The Louisiana 12th Infantry Regiment by John Rigdon, Pages 7 and 8.
Edit - I've been informed that, unfortunately, the answer to this question was inadvertently revealed in the initial post and remained visible for about 30 minutes before it was removed. Therefore, since some players had an advantage that other players did not, this question will not be counted in the scoring. I hope everybody had fun looking for the answer, anyway.
One note of interest - at least two players pointed to a link to a Civil War Trust webpage with a biography of Revolutionary War Colonel Abraham Buford. That Abraham Buford died in 1833, so clearly he was not the Civil War general shown in the picture which accompanied the question. The Civil War general was Abraham Buford II, the great-nephew of the Revolutionary War colonel. Surprisingly, I could not find a biography of Abraham Buford II on the Civil War Trust website.
hoosier