Person ? C. E. Hertog
- From 1923-01-01 to 1927-12-31, Administrateur of NEW JAGERSFONTEIN MINING AND EXPLORATION COMPANY
- From 1933-01-01 to 1933-12-31, Administrateur of NEW JAGERSFONTEIN MINING AND EXPLORATION COMPANY
- From 1940-01-01 to 1953-12-31, Administrateur of NEW JAGERSFONTEIN MINING AND EXPLORATION COMPANY