Your relative Sgt Thomas is in the Medal Roll , his commanding Officer was Major E.G.Tremlett , the following from Mackinnon & Shadbolt's ' The South African Campaign Of 1879 '
No11 Battery , 7th Brigade
Lt- Col Tremlett's battery served with the field force throughout the whole of the war , a heavy share of arduous and important duty falling to it's lot . The Hd-Qtrs were with Wood's column throughout its various operations , including the action at Zunguin Nek , on the 24th Jan ; the battle of Khambula on the 29th March ; and the battle of Ulundi on the 4th July - a detachment also being present at the action on the Zlobane on the 28th March , and two men of the battery at the battle of Ginghilovo on the 2nd April ; while another division of the battery under Lt Wilford Lloyd served with Pearson's column from the date of it's formation till the relief of Etshowe - being present at the battle of Inyezane on the 22nd Jan , and throughout the subsequent
blockade of the post ; and afterwards taking part in the operations of Crealock's Divis . Major Russell , of the battery , was killed when in command of a rocket detachment at Isandhlwana on the 22nd Jan . Hope this helps ? .