From: Schuilhoek
This Prisoner of War record for Johan Wilhelmus Frans G Kannemeyer was transcribed record from various documents held at the National Archives, South Africa, including arrest and shipping information from newspaper sources like De Zuid-Afrikaan.
https://www.gendatabase.com/boer-war-prisoner-record.php?q=16644&r=Johan Wilhelmus Frans G&s=Kannemeyer&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.