Rank: Captain
This Boer-War Soldier record for William Willoughby STANLEY-CLARKE 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=231434&r=William Willoughby&s=STANLEY-CLARKE&ref=