From: Thaba Nchu Town
This Prisoner of War record for Philippus Andries Cornelis Markgraaf 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=7771&r=Philippus Andries Cornelis&s=Markgraaf&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.