Ia tusia se faaauauga o lenei palakalafa - Na fanau Fox i Derby i Derbyshire i le 1843, o se tasi o le fanau e toʻaono a Marianne "née" Strutt (1814<unk>1898) ma Douglas Fox (1798<unk>1885), o se faamasino ma se fomaʻi tipitipi. Na aʻoaʻoina o ia i le Rossall School ma le Brighton College a o leʻi auai i le vaegaʻau. Na amata e Fox lana galuega faamiliteli i le 100th (Prince of Wales's Royal Canadian) Regiment of Foot mai le 1863-1875, na siitia ai o ia i le tulaga o le Lieutenant i le 1865 ma le Captain i le 1871. Sa auai o ia ma lana vaega i le auaunaga i Melita. Ina ua uma ona siitia atu i le 42nd (Royal Highland) Regiment of Foot (the 'Black Watch') sa i ai o ia ma lana regiment i Aldershot i le 1881 ae leʻi vaʻaia le tautua i le Egypt Campaign
lea na manuʻa ai o ia i le Taua i Tell El Kebir i le 1882. I le ata na tusia e Alphonse-Marie-Adolphe de Neuville "The Storming of Tel el Kebir" (1882) o loo faaalia ai Fox i le itu tauagavale ua manuʻa i le tauau ma o loo uuina e se isi fitafita, ae o le mea moni na fanaina o ia i le ogavae.