Inkosi uMzila Nxumalo, uMzila kaSoshangane Nxumalo, Umzila, uMzila, noma uNyamende wayeyindodana kaSoshangane kaZikode owasungula umbuso waseGaza owathi ekuphakameni kwawo wasuka eningizimu yeMozambique waze wayofika emfuleni iLimpopo.
Wanqoba umfowabo uMawewe kaSoshangane ngowe-1861 ethatha isihlalo sobukhosi baseGaza owabusa kusukela ngo-1861 kuya ku-1885. Wazala inkosi uNgungunyane Nxumalo Gungunhana|Ndungazwe owakhishwa amaPutukezi ehlasela umbuso wamaPutukezi.
Wabusa iGazaland eyaqanjwa ngokhokho wakhe uGasa. Ngesikhathi sokubusa kwakhe, wabusa ngamasu aqinile ezempi aqalwa nguShaka. Wayeganwe amakhosikazi amane, owokuqala wakwaNdiweni, unina kaNdungazwe “Ngungunyane”, owesibili wakwaHlezi, owesithathu ungowakwaSkosana engabatholi abantwana enkosini, okumenze wancipha. ehlonishwa emndenini. Ekugcineni, unkosikazi omncane nowokugcina weNkosi yaseNyakatho (uMambo Tohwechip) owathi ngokuhamba kwesikhathi wazinikela waqinisa ubukhosi bakhe kuMzilikazi kaMashobana.
Inkosi uMzila yashada neNkosazana uMa-Golide ukuze bathole ubudlelwano nobukhosi basenyakatho, okwathi ngokuhamba kwesikhathi kwaba wusizo njengendawo yokukhosela lapho ehlulwa ukulwa namaPutukezi akwazi ukuthumba indodana yakhe uGundunyane.
AmaPutukezi ayenethemba lokuthi inkosi izobuya izolanda indodana yayo kodwa ngeshwa akuzange kwenzeke enkosini uMzila KaSoshangane KaNxumalo njengoba kwase kulahlekelwe amasosha akhe amaningi. AmaPutukezi aqhubeka nokuzingela inkosi okwabangela ukuthi inkosi ihlukanise phakathi abantu eyayibalekele nabo baba ngamaqembu amabili, elinye iqembu labakwaNxumalo labuyiselwa eGazankulu isibongo esishintshiwe kwathiwa nguChauke kanti elinye lasala nenkosi njengoMlilo. Inkosi uMzila kanye noNdlunkulu (amakhosikazi amabili uMa-Golide unina kaKhutshwa kanye noMa-Ndiweni unina kaGundunyane) bonke basala becashile bengoMlilos ngaphansi kukaMambo Tohwechip ukuze baphephe njengoba amaPutukezi eqhubeka nokumzingela.
Inkosi yayihlala ekudingisweni, lapho yashona khona ngo-August 1891 ngemva kokushaywa unhlangothi ngemva kokuzwa amadodana ayo eyiswa ePortugal. Ukudlula kwakhe emhlabeni akuzange kudalulwe ezinye izinyanga ezimbili waze wangcwatshwa ngoDisemba walowo nyaka, 1891, wangcwatshwa eMsapa. Kuze kube manje indawo yethuna likaMzila yaziwa kuphela emndenini wasebukhosini osele.
Indodakazi kaMzila uXwalile yashada noLobengula, inkosi yamaNdebele, kanye nabanye abafazi abayisikhombisa baseGaza ngo-1879.