Mohamed (Pbuh) sent embassies to the kings and princes of the adjacent countries such as Persia and Byzantium , and to the Negus of Abyssinia and Cyre of
Egypt
to invite them to embrace Islam . The king of Persia drove the envoy from his presence with contumely but the
Byzantine
Emperor received the ambassador with courtesy . Cyre , on the other hand , sent to the Prophet (Pbuh) a present and two Coptic maidens . Mohamed (Pbuh) married one of them named Maria who adopted the new faith and begat a baby boy named Ibrahim .