Rubuta ci gaba don wannan sakin layi - An haifi Héger a Brussels kuma ya koma Paris a 1825 don neman aiki. Na wani lokaci ya yi aiki a matsayin sakatare na lauya, amma saboda karancin kudi, bai sami damar yin aiki da kansa ba. A cikin 1829, ya koma Brussels, inda ya zama malamin Faransanci da lissafi a Athénée Royal. A 1830, ya auri matarsa ta farko, Marie-Josephine Noyer. Lokacin da juyin juya hali ya barke a Brussels
, Héger ya yi yaƙi a kan barricades daga 23 zuwa 27 Satumba a gefen 'yan kasa. A watan Satumba na 1833, matar Héger ta mutu a lokacin annobar kwalara. Dansa, Gustave ya mutu a watan Yuni 1834, yana da watanni tara.