Casper was born on September 17th, 1795 in Tulbach and his christening took place on February 28th, 1796. Casper's father was Hendrik Kruger and his mother was Anna Catharina Steenkamp. He had a brother named Louis. He was the older of the two children. He died at the age of 67 on November 1st, 1862 in Bloemfontein Dist..