an Entity references as follows:
Sulaymān ibn al-Manṣūr (Arabic: سليمان بن المنصور), better known as Sulaymān ibn Abī Jaʿfar (Arabic: سليمان بن أبي جعفر), was an Abbasid prince and served as governor of Basra, al-Jazira and Syria during the reign of his nephew, Caliph Harun al-Rashid (r. 786–809). He also served in Syria under al-Rashid's son and successor, al-Amin.