▁ ▁First ▁World ▁War ▁During ▁the ▁First ▁World ▁War , ▁de ▁Seg on z ac ▁served ▁as ▁a ▁captain ▁in ▁the ▁French ▁military ▁av iation ▁corps . ▁During ▁the ▁war ▁he ▁listed ▁his ▁address ▁as ▁R ue ▁Dum ont ▁D ' ur ville ▁in ▁Paris ▁and ▁in ▁ 1 9 1 5 ▁was ▁posted ▁to ▁Chart res ▁for ▁a ▁while . ▁He ▁was ▁married ▁and ▁his ▁wife , ▁the ▁Com tes se ▁de ▁Seg on z ac , ▁res ided ▁in ▁Comp ieg ne . ▁ ▁He ▁remained ▁a ▁member ▁of ▁the ▁Vie illes ▁T iges ▁pil ots ▁association ▁after ▁the ▁war . ▁De ▁Seg on z ac ▁received ▁the ▁Leg ion ▁of ▁Hon our ▁and ▁the ▁Cro ix ▁de ▁Guerre ▁during ▁his ▁military ▁career ▁and ▁held ▁several ▁foreign ▁decor ations . ▁He ▁also ▁held ▁campaign ▁med als ▁for ▁Tun is ia ▁and ▁Mor oc co . ▁ ▁Later ▁life ▁ ▁De ▁Seg on z ac ▁became ▁ren owned ▁as ▁an ▁expl orer ▁and ▁advent urer ▁and ▁may ▁have ▁served ▁as ▁the ▁insp iration ▁for ▁Lieutenant ▁André ▁de ▁Saint - Av it ▁in ▁Pierre ▁Ben oit ' s ▁Atl ant ida , ▁in ▁which ▁one ▁French ▁officer ▁mur ders ▁another . ▁He ▁was ▁also ▁a ▁writer ▁publishing ▁several ▁books ▁such ▁as ▁Vo y ages ▁au ▁Mar oc ▁( 1 8 9 9 - 1 9 0 1 ) ▁( V oy ages ▁in ▁Mor oc co ) ▁in ▁ 1 9 0 3 ▁and ▁La ▁Lé gende ▁de ▁Flor inda ▁la ▁By z