Introduction

Hazrat Qais bin Abi Sa‘sa was an Ansari [inhabitant of Medina]. The father of Hazrat Qais was Amr bin Zaid, however he was more commonly known by the title of Abu Sa‘sa. Hazrat Qais’ mother’s name was Shaibah bint Asim. Hazrat Qais participated in the Bai‘at that took place at Aqabah along with seventy Ansar. He also had the honour of participating in the Battles of Badr and Uhud.

(al-Tabaqaat-ul-Kubra, Vol. 3, p. 392, Qais bin Abi Sa’sa, Dar-ul-Kutb al-Ilmiyyah, Beirut, 1990)