Rank: Coy. Sergeant Major
This Boer-War Soldier record for R MCKENZIE 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=164921&r=R&s=MCKENZIE&ref=
