Complex sentence: Ghannam was later dismissed by al-Kamil, who concurrently bestowed authority over the entire emirate to Maniʿ for his close cooperation with the Ayyubids of Egypt and Syria and his assistance in their military campaigns.
Split into simpler sentences: Ghannam was later dismissed by al-Kamil, who he bestowed authority over the entire emirate to Maniʿ. The latter was rewarded for his close cooperation with the Ayyubids of Egypt and Syria and his assistance in their military campaigns.