Extract from Who's Who in Natal 1933:

"KUMM, Wm. Frederick.

Born 20th, March 1884, in Kokstad. Eldest son of Mr. and the late Mrs. F. F. Kumm of Sevenfontein. Married June 15th, 1914, at Kokstad, to Lettie, third daughter of Mr. and the late Mrs. J. W. van Zyl, of Kokstad. Two daughters. Merino sheep, and Friesland cattle farming. Takes a great interest in shows, and is also very keen on sport, especially tennis, cricket and gymkhanas. Add: Weltevrede, P.O. Rustfontein, Kokstad, E.G."