5 February 1935|
Kroonstad, Orange Free State Province, Union of South Africa
|Service/branch||South African Army|
|Years of service||1954-1990|
|Commands held||Chief of the South African Defense Force (1985-1990)
Chief of the South African Army (1980-1983)
GOC South West Africa (1980-1985)
|Awards||Order of the Star of South Africa SSAS
Southern Cross Decoration SD
South African Police Star for Outstanding Service SOE
Southern Cross Medal SM
Born in Kroonstad on 5 February 1935, Geldenhuys' military career began when he joined the South African Army in 1954, serving in the infantry. Later he went on to higher command in 1977, serving as commander of South West Africa Command, a post he held until 1980, when he served in the position of General Officer Commanding the South West Africa Territory Force. After this he became Chief of the Army, before being promoted to the position of Chief of the South African Defence Force on the 31st of October 1985. In this role, he took part in negotiations that brought the Border War to an end in 1989, after 23 years of fighting.
- "5 February 1935: General Jannie Geldenhuys is born". SA History.org. Retrieved 21 November 2010.
- "Senior (High Office) Officers / Offisiere". SADF Info. Retrieved 21 November 2010.
|Chief of the South African Defence Force
|Chief of the South African Army