Andreas married Juliane Frerikke Vilhelmine Demant on 07 Jun 1832. Juliane (daughter of Johan Andreas Demant and Birthe Sophie Schroeter) was born on 12 Aug 1809 in Dalum Mølle, Odense, Denmark; died on 09 Mar 1867 in Odense, Fyn, Denmark. [Group Sheet] [Family Chart]

1. Johan Andreas Julius Hartvig was born on 25 Mar 1833 in Odense, Fyn, Denmark.
2. Anton Frederik Flemming Hartvig was born on 24 Mar 1836 in Odense, Fyn, Denmark.