Is this your John Henry Thomas, if so it could be the center figure.
Residence was not listed; a 19 year-old Clerk.
Enlisted on 4/18/1862 as a Private.
On 4/18/1862 he mustered into "G" Co.
VA 4th Cavalry
He was discharged for promotion on 5/23/1862
On 5/23/1862 he was commissioned into "C" Co.
VA 1st Battn Infantry
He Resigned on 9/5/1863
(To raise Company of Cavalry for Mosby's 43rd Battn)
On 9/1/1863 he mustered into "A" Co.
VA 43rd Battn Part. Cavalry
(date and method of discharge not given)
He was listed as:
* Hospitalized 5/11/1862 Chimborazo Hospl, Richmond, VA (With diarrhea)
* Returned 5/20/1862 (place not stated)
* Paroled 4/21/1865 Winchester, VA
Promotions:
* 2nd Lieut 5/20/1862 (As of Co. B, 1st Battn Inf)
* Priv 9/1/1863 (As of Co. A, 43rd Cav Partisan Rangers)
He was described at enlistment as:
6', dark complexion, blue eyes, dark hair
Other Information:
born in 1844 in Fairfax County, VA
died 4/24/1898 in Baltimore, MD
Buried: Valley Mills, Augusta County, VA