Whakaotihia te rerenga e whai ake nei: I whanau a Augustin Dubail i Belfort i te Paenga-whāwhā 15, 1851. I puta ia i te kura hoia o Saint-Cyr i te 1870 a i whakawhiwhia ia hei rangatira i roto i nga hoia. I te wā o te Pakanga Wīwī-Prussian i whawhai a Dubail ki Saarbrücken,
Ko Spicheren, ko Borny i mua i tana hopu i Metz. Whai muri i te pakanga i mahi a Dubail hei kaiwhakaako i Saint-Cyr, hei rangatira i te rohe me Algeria, i reira i te 1901 ka riro ia hei koromatua o te 3rd Zouaves.