An haifi Becquerel a Paris a cikin dangi mai arziki wanda ya samar da tsararraki hudu na masana kimiyyar lissafi: kakan Becquerel (Antoine César Becquerel), uba (Alexandre-Edmond Becquerel), da ɗa (Jean Becquerel). Henri ya fara karatunsa ta hanyar halartar makarantar Lycée Louis-le-Grand, makarantar shirye-shirye a Paris. Ya yi karatun injiniya a École Polytechnique da École des Ponts et Chaussées. A shekara ta 1874, Henri ya auri Lucie Zoé Marie Jamin, wanda zai mutu yayin haihuwar ɗansu, Jean. A shekara ta 1890 ya auri Louise Désirée Lorieux. Tambaya: Wanene aka haife shi na biyu a cikin 'yan uwa na kusa da Jean Becquerel?
Alexandre-Edmond Becquerel (ɗan asalin ƙasar Faransa)