Yes I am a South African Citizen by birth as is my father and grandfather (though originally from Irish desent), my grandfather was caught spying for the Boer Republics during the Anglo-Boer War and only his friendship with Lord Kitchener saved him from the firing squad - he was deported to the then "Duitswes Afrika" now Namibia, After the war her returned to South Africa and was only allowed into the country on condition that he pledged allegiance to King Edward VII. The document read as follow:
"Whereas, at the time of the outbreak of hostilities between the Government of Her late Majesty Queen Victoria and the Governments of the late South African Republic and the late Orange Free State, I, the undersigned, James Gilliland of Rustenburg, now residing at Rustenburg was a burgher of the South African Republic, and whereas the said South African Republic has been anned to and become part of, the dominions of His Masjesty King Edward the seventh; and whereas, I am desirous of formally claiming and securing all and sundry the rights and priviledges of a Brithish subject, which, by reason of the fact of annexation as foresaid, I am now justly entitled to do; Now, therefore, I herby formally declare that I acknowledge myself to be a subject of His Majesty King Edward the Seventh, and I do sincerely XXXXX XXXXX swear that I will be faithful and bear true allegiance to His Most Gracious Majesty, King Edward the Seventh, His Heirs and Successors according to law. Sworn and declared before me at Rustenburg this 10th day of March 1903. "
The heading of the document :
Hope this give more clarity