Rank: Lieutenant
This Boer-War Soldier record for Gustavus Henry S FOWKE 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=84203&r=Gustavus Henry S&s=FOWKE&ref=