Mention of the virtues of Sayyiduna Abu al-Yasar Ka'b bin Amr al-Ansari (may Allah be pleased with him). It is narrated from Ishaq bin Ibrahim al-Hanzali that the name of Abu al-Yasar al-Ansari is Ka'b bin Amr bin Abbad bin Amr bin Tamim bin Sawad bin Ghanm bin Ka'b bin Salimah. He is one of the people of Badr, he took part in the Pledge of al-Aqabah, and he is the one who took Sayyiduna al-Abbas bin Abd al-Muttalib captive.

It is narrated from Urwah bin al-Zubayr that among the names of those from the Ansar who took part in the Battle of Badr was Abu al-Yasar Ka'b bin Amr (may Allah be pleased with him).

It is narrated from Mus'ab bin Abdullah al-Zubayri that the name of Abu al-Yasar (may Allah be pleased with him) was Ka'b bin Amr. He belonged to Banu Salimah. He passed away in the year 55 AH in Madinah, and he was a short, stocky man with a large belly.

It is narrated from Muhammad bin Umar (al-Waqidi) that the name of Abu al-Yasar (may Allah be pleased with him) is Ka'b bin Amr bin Abbad bin Amr bin Sawad. According to all the reports, he took part in the Pledge of al-Aqabah. At the time of the Battle of Badr he was twenty years old, and he took part in the Battles of Uhud and the Trench (Khandaq) and in all the campaigns with the Messenger of Allah (peace and blessings be upon him). He was a short, stocky man with a large belly. He passed away in the year 55 AH in Madinah.