Jacob married Maria Agnetha Schmidt on 7 Jul 1813 in St Nicolai-Kirche, Wismar, Germany. Maria (daughter of Hans Jacob Schmidt and Dorothea Christina Waack) was born on 26 Jan 1797 in St Nicolai-Kirche, Wismar, Germany. [Group Sheet] [Family Chart]

1. Ferdinand Julius Van de Velde was born on 22 Mar 1822 in Wismar, Germany; died on 24 Oct 1887 in Hagenow.
2. Virgina Catharina Friederica Van de Velde was born on 22 Oct 1813 in Hagenow, Germany; was christened on 31 Oct 1813 in Hagenow, Germany.
3. Heinrich Ernst Johann Van de Velde was born on 3 Mar 1826 in Hagenow, Germany.
4. Josephine Dorothea Charlotte Van de Velde was born in 1832.
5. Jean Joseph Van de Velde was born on 30 Jun 1818 in Hagenow, Germany; died in 1848 in Hagenow, Germany.