She was a founding member of the Saamwerkersunie (Cooperative Union), the Voortrekkers (an Afrikaans pioneer organisation), the Vroue-Nasionale Party (Women's national party) in Natal, the Federasie van Afrikaanse Kultuurvereniginge (FAK) (Federation of Afrikaans Cultural Organisations), and the first woman member of the Suid-Afrikaanse Akademie vir Wetenskap en Kuns (South African Academy of Science and Arts).

[2][3] The accepted work for an educated women at that time was botany or teaching,[2][3] so after a year as a teacher she was appointed a lecturer at the Training College in Pietermaritzburg.

Jansen arranged for them to be housed in the hall of the Dutch Reformed church in Pietermaritzburg and she established one of the first railway hostels for the displaced workers, later named after her.

[8] Dekker commented, "That our playwrights would make an eager use of historical material was to be expected, especially when we consider that the play was a beloved propaganda tool in the language struggle.

These historical dramas have also become part of the national awareness and played a role that should not be underestimated, even though the pure dramatic value of these works is generally low.

Celliers' Liefde en Plig (Love and Duty) (1909) and Heldinne van die Oorlog (Heroines of the War) (1924); and C.J.

[9] Afrikanerharte and Die veldblommetjie are of historical value but she was not recognised for her contributions to literature, but rather due to her actions in politics and Afrikaans-cultural life.

[10] Jansen only stood once as a candidate for the Volksraad (literally People's Council, the Parliament of South Africa) in 1938, but lost to Abraham de Kock.

[13] In 1920, Jansen became the first female member of the Suid-Afrikaanse Akademie vir Wetenskap en Kuns, and in 1969, they gave her an honorary lifelong membership.

Present at the meeting were several prominent members of the Afrikaans community including prime minister JBM Hertzog, N.J van Der Merwe (leader of the National Party in Natal), S.H.

With the establishment of the Federation of Afrikaans Cultural Societies (FAK) in 1929, she became the first female member of the executive committee and retained this distinction for decades.

It is amongst her most widely held work:[16] Jansen was secretary of the Christian Women's Association of Natal, a Sunday School teacher and a church organist.

He was prominent in the cultural-historical life of this province and served on the board of the Debats- en Letterkundige Vereniging (Pietermaritzburg Debate and Literary Society), which he founded in 1908, and also of the Voortrekker Museum Committee.

One of his three daughters, Mabel Jansen, SC, followed in her grandfather and father's legal footsteps and chaired the Pretoria Bar Council from 2003 to 2004.

[6] On her 86th birthday celebration in 1975, the prime minister, John Vorster, paid tribute to her and in 1976 she was honoured by State President N.J. Diederichs with the Decoration for Meritorious Services.

[3] Jansen's epitaph in the cemetery in Centurion, Gauteng reads, in Afrikaans:"Gelowend in God het sy haar volk met eer gedien."