Johanna Helena was die dogter van Gabriël Nel en Jacoba Susanna Maria de Klerk.
Uit hulle pa se sterfkennis van 1888:
FAMILYSEARCH
g.1. Jacoba Susanna Maria NEL, geb. 13/12/1871, ged. 07/01/1872, Lady Grey, oorl. 15/12/1913, Rouxville, OVS x 13/12/1892, Lady Grey met Stephanus Francois Marais, geb. 18/02/1869, oorl. 09/11/1943, s.v. Abraham Francois Marais en Johanna Helena Nel.
g.2. Daniël NEL, geb. 31/03/1874, ged. 26/04/1874, Lady Grey
g.3. Helena Levina NEL, geb. 02/05/1875, ged. 30/05/1875, Lady Grey x 11/12/1894, Lady Grey met Louw Jacobus Pretorius, geb. 11/04/1866, oorl. 16/10/1940, s.v. Dirk Jacobus Pretorius en Johanna Hendrika Gertruida Marais.
g.4. Gabriël NEL, geb. 16/12/1877, ged. 16/12/1877, Lady Grey, oorl. 10/01/1943 x 01/09/1903, Lady Grey met Anna Cecilia Venter.
g.5. Johanna Helena NEL, geb. 17/04/1880, ged. 05/06/1880, Lady Grey, oorl. 21/04/1960 x 02/02/1904, Lady Grey met Gerhardus Venter, geb. c.1870, oorl. 18/05/1946.
g.6. Johannes Hendrik David NEL, geb. 12/08/1882, ged. 08/10/1882, Lady Grey.
g.7. Daniël NEL, geb. 05/12/1884, ged. 08/02/1885
g.8. Louis Johannes NEL, geb. 15/10/1887, ged. 03/12/1887, Beaufort x 16/06/1908, Lady Grey met Anna Sophia van Deventer, geb.1872
g.9. Anna Susanna Catharina NEL, geb. 05/03/1890, ged. 18/06/1890, Lady Grey, oorl. 05/10/1907 x 30/05/1907, Lady Grey met Jan Nel, geb. 12/03/1885, oorl. 01/06/1951, s.v. Jan Nel en Johanna Christina Nel. JN xx Elsie Aletta Olivier en Barbara Maria Viljoen.
g.10. Barend Frederik Mattheus NEL, geb. 18/09/1892, ged. 20/11/1892, Lady Grey
g.11. Pieter Willem Adriaan NEL, geb. 27/12/1894, ged. 10/03/1895, Ladismith, KP.
g.12. Jan Jacobus NEL, geb. 24/05/1896 , ged. 19/07/1896, Lady Grey.
g.13. Martha Maria NEL, geb. 09/12/1899, ged. 01/03/1900, Lady Grey, Waterberg, Tvl.