Children:
- Susanna Maria GREEFF was born on 21 Jan 1798; was christened on 9 Sep 1798; died on 14 Jun 1856 in Graaff Reinet, South Africa..
- Maria Susanna GREEFF was christened on 1 Jun 1800; and died.
- Anna Francina GREEFF was born in 1803 in Uitenhage, South Africa.; was christened on 27 Nov 1803; died on 28 Nov 1872 in Tunel farm, Hay, South Africa.
- Elizabeth Catharina GREEFF was born on 21 Jun 1805 in Uitenhage, South Africa.; was christened on 21 Sep 1806; died on 25 Nov 1874 in Quaggasfontein farm, Voor op Sneeuwberg, South Africa.
- Johanna Carolina GREEFF was born in 1809; was christened on 26 Dec 1809; died on 8 Jan 1859 in Buffelsfontein Farm, Uitenhage, South Africa.
- Francois Petrus GREEFF
- 4. Izak Jacob GREEFF was born on 5 Apr 1817 in Distrik Uitenhage, South Africa.; was christened on 1 Jun 1817; died on 23 Oct 1885 in Uitkomst farm, Jansenville, South Africa..
- Jurrian Hendrik GREEFF was born on 5 Jan 1819; was christened on 31 Jan 1819 in Graaff Reinet, South Africa.; and died.
- Pieter Adriaan GREEFF was born on 22 May 1821 in Uitenhage, South Africa.; was christened on 2 Jul 1821 in Graaff Reinet, South Africa.; died on 13 Jan 1853 in Graaff Reinet, South Africa..
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Pieter Adriaan GREEFF was born on 3 Dec 1857 in Driekoppen Farm, Jansenville, South Africa. (son of Izak Jacob GREEFF and Geertruyda Anna Magdalena GOUWS); died on 6 Apr 1900. 
Izak Jacob GREEFF was born on 5 Apr 1817 in Distrik Uitenhage, South Africa.; was christened on 1 Jun 1817 (son of Francois Petrus (Frans) GREEFF and Anna Francina JOUBERT); died on 23 Oct 1885 in Uitkomst farm, Jansenville, South Africa.. 
Francois Petrus (Frans) GREEFF was born in 1773; was christened on 10 Apr 1773 (son of Juriaan Hendrik GREEFF and Maria Magdalena JOUBERT); died on 10 Aug 1848 in Sundays River, Welgelegen, Zwarte Ruggens, Cape Colony, South Africa. 