Rank: Lieutenant Colonel
This Boer-War Soldier record for BW SOMERVILLE-LARGE was transcribed record from various documents held at the National Archives, South Africa. Data contained in this set is known as "The Soldiers of the Queen".
https://www.gendatabase.com/boer-war-soldiers-record.php?q=234866&r=BW&s=SOMERVILLE-LARGE&ref=