From: Brandfort
This Prisoner of War record for Gersitt Hendrik Van Der Klashorst 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=19762&r=Gersitt Hendrik&s=Van Der Klashorst&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.