UGriffiths Mlungisi Mxenge (27 Nhlolanja 1935 - 19 ngoLwezi 1981) wazalelwa KwaRayi , indawo yokuhlala yasemakhaya ngaphandle kwedolobha laseKing Williams, eMpumalanga Kapa. Wayengummeli wamalungelo abantu, eyilungu le- African National Congress (i-ANC) kanye nesishoshovu sokulwa ngombuso wobandlululo waseNingizimu Afrika . UGriffiths Mlungisi Mxenge wayeyindodana endala kaJohnson Pinti noHannah Nowise Mxenge. Abazali bakhe babengabalimi KwaRayi. Waqala imfundo yamabanga aphezulu esikoleni samabanga aphezulu eForbes Grant Secondari, eGinsberg kodwa waqeda umatukuletsheni wakhe esikoleni saseNewell High ePort Elizabeth ngezi-1956. Nge-1959, wathola iziqu ze-bachelors e-Nyuvesi yaseFort Hare ezifundweni ezigxila kwi-Roman Dutch Law nesiNgisi. Wajoyina inhlangano ye-African National Congress Youth League ngesikhathi efunda. Umkhankaso Wokuphikisana nemithetho yobandlululo owawubizwa ngokuthi yi-Defiance Campaign kanye neCongress of the People eKliptown kwaba nomthelela ekuqondisiseni kahle ezepolitiki noma ezombangazwe Wabhalisela izifundo ze-LLB degree eNyuvesi yaseNatali kodwa ngo-1962, ngawo lowo nyaka waganana noVictoria Mxenge . Ngo-1966, izifundo zakhe zaphazanyiswa lapho egqunywa ejele ngaphandle kokuquliswa icala (detention) izinsuku ezingama-190. Nge-1967, waboshwa iminyaka emibili eRobben Island ngaphansi koMthetho wokucindezela ubuKhomanisi kanye nokuqhubekisela phambili izinhloso ze-ANC.