Susanna Maria was die dogter van Phillip Nel en Susanna Maria Botha.
Uit hulle pa se sterfkennis van 1870:FAMILYSEARCH
g.2. Louis Jacobus NEL, geb. 10/04/1826, ged. 12/06/1826 x 03/07/1854, Pietermaritzburg met Martha Hercolina van Rooyen, geb. 10/01/1834, d.v. Theodorus Cornelis van Rooyen en Martha Maria Botha.
g.4. Isabella Margaretha NEL, geb. 15/12/1829, ged. 09/03/1830, Somerset-OosOos x 11/01/1852, Pietermaritzburg, Natal met Willem Mattheus Johannes Lotter, geb. 03/10/1826, oorl. 26/09/1902, s.v. Christoffel Petrus Francois Lotter en Isabella Margaretha Nel.
g.5. Elizabeth Francina NEL, geb. 29/10/1831, ged. 22/01/1832, Somerset Oos, oorl. 12/10/1916, Weenen, Uthukela DC, KwaZulu-Natal x 29/10/1849, Pietermaritzburg, Natal met Petrus Hendrik van Rooyen, geb. 09/11/1824, oorl. 12/06/1900, s.v. Gerrit Reynier van Rooyen en Adriana Maria Kock.
g.6. Maria Cornelia NEL, geb. 13/04/1833, ged. 22/07/1833, Somerset Oos, oorl. 23/12/1891 x 30/07/1855, Piertermaritzburg, Natal met Theunis Gerhardus De Jager, geb. 1831, oorl. 03/11/1903, s.v. Frederik Johannes de Jager en Susanna Catharina Meyer.
g.7. Anna Petronella NEL, ged. 21/01/1835, Glen Lynden, oorl. 1855 x Christiaan van Rooyen, geb. 17/11/1830, Uitenhage, oorl. 21/03/1910, Harrismith, s.v. Gerrit Reynier van Rooyen en Susanna Elizabeth Kock.
g.8. Philip
Jacobus NEL, geb. 01/08/1837, oorl. 02/02/1913 x Anna Catharinia Dorothea Nel,
geb. 20/10/1848, d.v. Rynier Johannes Jacobus Nel en Susanna
Cornelia Helena Bouwer.
g.9. Johannes Petrus NEL, geb. 1838, oorl. 10/04/1838