Ibn Shihab narrates: "Among the Ansar who took part in Badr, from Banu Sawwad bin Ghanm, was Sahl bin Qays bin Abi Ka'b bin al-Qayn (may Allah be pleased with him)."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5622
Ibn Shihab narrates: "Among the Ansar who were martyred on the Day of Uhud, then from Banu Sawwad, was Sahl bin Qays bin Abi Ka'b bin al-Qayn (may Allah be pleased with him)."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5623