Januszaj an haife shi ne a Brussels, Belgium, inda danginsa na Kosovo Albanian suka yi hijira a 1992 don haka mahaifinsa, Abedin, zai guji shiga rundunar sojojin Yugoslav don yakin Bosniya. Mahaifin Januzaj shine babba na yara shida daga Istok, Kosovo. Kawun Januzaj, Januz da Shemsedin, da kuma inna Lavi, sun kasance mambobi ne na Sojojin 'Yancin Kosovo, waɗanda suka yi yaƙi don' yancin Kosovo a lokacin Yakin Kosovo. Tun lokacin da Kosovo ta ba da' yancin kai a 2008, Januzaj ya ziyarci danginsa a kai a kai a lokacin rani. Tambaya: A ina aka haifi Januzaj?
Birnin Brussels, ƙasar Belgium