Hans Jürgen grows up in Aabenraa and later marries Botilla Magdalena Cornett (born 14th September 1837), who also came from Aabenraa, on 28th November 1862. The couple gets three children:
- August Nicolai Engellenner (1864–1937)
- Anne Marie Elisabeth Engellenner (1865–1929)
- Maria Nicoline Engellenner (1868–1927)
Maria Nicoline married the merchant Jens Christian Lorenzen in Aabenraa on 22nd April 1892, the son of the day labourer Jesper Lorenzen from Løjt/Spramshuse/Bramsmark near Aabenraa.