Lukas het getrou met Elizabeth Louisa Scholtz op 16 Feb 1885 te Dutoitspan. Elizabeth (dogter van David Jacobus Scholtz en Francina Carolina Jacobs) was gebore op 5 Nov 1865; was gedoop op 26 Nov 1865 te Jacobsdal. [Groepsblad] [Family Chart]

1. Francina Carolina Groenewald was gebore op 29 Nov 1885; was gedoop op 20 Des 1885 te Plooysburg, Distrik Kimberley.
2. Lukas Johannes Groenewald was gebore op 8 Aug 1887 te Tafelberg; was gedoop op 16 Okt 1887 te Plooysburg, Distrik Kimberley.
3. David Jacobus Groenewald was gebore op 24 Jul 1889 te Blaauwkrantz, Distrik Herbert; was gedoop op 15 Des 1889 te Dutoitspan.
4. Johanna Maria Groenewald was gebore op 7 Jun 1891; was gedoop op 13 Sep 1891 te Plooysburg, Distrik Kimberley.
5. Elizabeth Louisa Jacoba Groenewald was gebore op 5 Jul 1893; was gedoop op 12 Nov 1893 te Plooysburg, Distrik Kimberley.
6. Francina Carolina Groenewald was gebore op 16 Aug 1902; was gedoop op 14 Des 1902 te Dutoitspan.
7. Susara Christina Groenewald was gebore op 19 Nov 1904; was gedoop op 16 Apr 1905 te Dutoitspan.
8. Joachim Willem Jacobus Groenewald was gebore op 20 Des 1906; was gedoop op 21 Apr 1907 te Dutoitspan; is oorlede op 5 Nov 1967 te Pretoria.