Complex sentence: The Portuguese monarchs granted probably the first achievements of arms to be borne by sub-Saharan Africans: namely, coats of arms were granted to prince Bemoym of Jolof, to King Afonso I of Congo and to Emperor Mwenemutapa of Mutapa.
Split into simpler sentences: The Portuguese Monarchs granted probably the first achievements of arms to be born by sub-Saharan Africans. Namely, coats of arms were granted to prince Bemoym of Jolof, to King Afonso I of Congo and to Emperor Mwenemutapa of Mutapa.