From: Sandfontein
This Prisoner of War record for Martin Dani Coetzee 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=10287&r=Martin Dani&s=Coetzee&ref=
This set of Prisoner of War documents can be accessed online via the FamilySearch.org project by Clicking Here.
