 
 <prompt> ```Who be the people wey conquer the Byzantine Emperor Heraclius? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context:``` <response>: However many early history books like the Islamic Conquest of Syria Fatuhusham by al-Imam al-Waqidi state say after the conversion to Islam Muawiyah's papa Abu Sufyan ibn Harb and im brothers Yazid ibn Abi Sufyan bin dey appointed as commanders for di Muslim armies by Muhammad. Muawiyah, Abu Sufyan ibn Harb, Yazid ibn Abi Sufyan and Hind bint Utbah bin fight for di Battle of Yarmouk. Di defeat of di Byzantine Emperor Heraclius for di Battle of Yarmouk open di way for di Muslim expansion enter Jerusalem and Syria. 