Rank: 2nd Lieutenant
This Boer-War Soldier record for John Roger WILLIAMS-ELLIS 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=268357&r=John Roger&s=WILLIAMS-ELLIS&ref=