Johannes married Maria Victor on 25 Nov 1753 in South Africa. Maria (daughter of Gerrit Victor and Maria Susanna Bockelenberg) was christened on 23 Jan 1735 in Cape Town, South Africa. [Group Sheet] [Family Chart]

Johannes married Cornelia Slabbert on 22 Mar 1761. Cornelia (daughter of Gideon Slabbert and Francina Carstens) was born on 25 Dec 1736 in Cape Town, South Africa; died about 1784 in Cape Town, South Africa. [Group Sheet] [Family Chart]

1. Johannes Hendrik Koegelenberg was christened on 6 Nov 1763 in Cape Town, South Africa.
2. Gideon Johannes Koegelenberg was christened on 4 May 1766 in Cape Town, South Africa.
3. Floris Koegelenberg was christened on 7 Jan 1770.
4. Jasper Hendrik Koegelenberg was christened on 27 Feb 1774.
5. Francina Margaretha Koegelenberg was born on 10 Nov 1776 in Cape Town, South Africa.
6. Martha Catharina Koegelenberg was christened on 23 Apr 1780 in Cape Town, South Africa.
7. Huibregtje Koegelenberg was christened on 19 Jan 1783 in Cape Town, South Africa; died about 1834.
8. Johanna Susanna Koegelenberg was christened on 31 Jul 1784.