Rank: Captain
This Boer-War Soldier record for Arthur (Hon) HAMILTON-RUSSELL 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=108977&r=Arthur (Hon)&s=HAMILTON-RUSSELL&ref=