Mezue ahịrịokwu na-esonụ: Mgbe Sultan Mohammed ben Abdallah (ihe dị ka n'afọ 100 O.A. 1710 <unk> 1790) wughachiri obodo ahụ mgbe mbibi ya na
ala ọma jijiji nke 1755, a gbanwere aha ya ""ad-Dār al-Bayda"' " ("Ụlọ Ọcha"), ọ bụ ezie na eji ya eme ihe n'asụsụ a na-akpọ ya "Dar al-Baiḍā" ("Ụlọ nke White").