Person ? R. A. Blankenberg
- From 1933-01-01 to 1933-12-31, Administrateur of WITWATERSRAND GOLD MINING (KNIGHT'S)
- From 1933-01-01 to 1933-12-31, Administrateur of THE RANDFONTEIN ESTATES GOLD MINING Co WITWATERSRAND LIMITED
- From 1933-01-01 to 1933-12-31, Administrateur of LANGLAAGTE ESTATE AND GOLD MINING Co LTD
- From 1933-01-01 to 1933-12-31, Administrateur of NEW STATE AREAS, LIMITED
- From 1933-01-01 to 1933-12-31, Administrateur of JOHANNESBURG CONSOLIDATED INVESTMENT
- From 1933-01-01 to 1933-12-31, Administrateur of GOVERNMENT GOLD MINING AREAS (MODDERFONTEIN) CONSOLIDATED LIMITED