Antropolojy ɲiniw y’a jira ko Liberia yɔrɔ sigili wati surun ye 12an kɛmɛda, adɔla ka kɔn o ɲɛ. Manden kanfɔlaw sigira kataa tlebifɛ, min ye kabila fitini caman jagoya k’u sigi kɔrɔnfɛ ka digi Atlantik Kwaji kan. Deyiw, Basaw, Kruw, Golaw ani Gisiw jatelen nabaa fɔlɔw fɛ. Nin tamaasegin farala Tlebi Sudan Mali Mansamara bini na san 1375 ani kɔfɛ san 1591 ni Songai Mansamara wilili. Ka fara, gerekanyɔrɔ sɛgɛnna cencentaama bolo, o ye sigibaaw jagoya ka yɛlɛma Pepper Coast babolo ɲiginen na. Nin sigibaa kuraw naara ni uka ɲɛdɔnw ye inafɔ kɔri parata, gesedan, nɛgɛbaara, malo ni ɲɔ sɛnɛ, ani sigi ni marataabolo cakɛdaw kabɔ Mali ani Songai Mansamara la.