 He also had a son, Abu Bakr bin Mwengo, who wrote an imitation of his father's epic somewhere in the middle of the 18th century.Like other manuscripts of the period in Swahili, the "Utendi wa Tambuka" is written in Arabic script.The language used is a northern dialect of Swahili called Kiamu; some manuscripts, however, show influence from Kigunya (another northern dialect), while others show traces of Kiunguja, the dialect of Zanzibar.