After Barbara Hogan, Lourens was the next white woman to be convicted of treason after the Treason Trials. Lourens, and her fiancé Carl Niehaus, were found guilty of active participation in the African National Congress (ANC), the planting of bombs, assisting people in fleeing the country and the spreading of pamphlets. Lourens was sentenced to four years imprisonment.
Biography record
Jansie Lourens
- Updated
- 23 Nov 2020

How we know this
- 01‘Soweto’ supplement, The Leader
Last updated · 23 Nov 2020
South African History Online. (2011, February 17). Jansie Lourens. South African History Online. https://sahistory.org.za/zu/ref/B-0008336
South African History Online (2011) 'Jansie Lourens', South African History Online, 17 February. Available at: https://sahistory.org.za/zu/ref/B-0008336 (Accessed: 25 July 2026).
South African History Online, Jansie Lourens [website], https://sahistory.org.za/zu/ref/B-0008336, (accessed 25 July 2026).
"Jansie Lourens." South African History Online, 17 Feb. 2011, https://sahistory.org.za/zu/ref/B-0008336. Accessed 25 July 2026.
South African History Online. "Jansie Lourens." South African History Online. February 17, 2011. https://sahistory.org.za/zu/ref/B-0008336.
Further reading
History of Women’s Struggle in South Africa
African National Congress (ANC)
Recollections of the Resurrection of Women’s Day, 40 Years Ago by Julie Wells
Zuleikha Mayat
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