Rubuta ci gaba don wannan sakin layi - An haifi Langgaard a ranar 12 ga Mayu 1811 a Copenhagen, ɗan mai aikin agogo Jens Bartholomæus Langgaard (1782<unk>1832) da Marie Christiane Harm (s) (1784<unk>1822). Mahaifinsa ya yi karatun kera agogo a Aalborg amma ya koma Copenhagen a 1806 inda ya zama manajan kuma daga baya ya zama mai mallakar babban kasuwancin agogo da kayan aiki. Ya yi fatarar kuɗi dangane da fatarar kuɗin jihar Danish na 1813
Ka yi haƙuri. Daga nan sai dangin suka koma Berlin da farko kuma daga baya, Landsberg an der Warthe. Bayan mutuwar mahaifinsa, Langgaard ya zama mai horar da agogo a Rugen sannan ya koma Copenhagen inda aka yi aiki a Urban Jürgensen. Ya kuma dawo da 'yan uwansa zuwa Copenhagen.