From: Zwartberg
This Prisoner of War record for Christiaan Matthys Nel 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=19972&r=Christiaan Matthys&s=Nel&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.