Five of the ten Morkel Springboks were closely related .
Were the grandchildren or great - grandchildren of Hendrik Johannes Morkel ( 1798 -- 1859 ) who farmed at Onverwacht ( Die Bos ) .
Five of the ten Morkel Springboks were closely related and were the grandchildren or great - grandchildren of Hendrik Johannes Morkel ( 1798 -- 1859 ) who farmed at Onverwacht ( Die Bos ) .