The Annals of Eutychius of Alexandria (10th c. AD) – chapter 19e – Abbasids part 5
CALIPHATE OF AL-WĀTHIQ (227-232/842-847) 1. The bay’ah was given to al-Wāthiq, i.e. Hārūn ibn al-Mu’tasim – his mother was a umm walad named Qarātis, on the same day that al-Mu…