Muhammad bin Umar (al-Waqidi) states that the lineage of Sayyiduna Abdullah bin Zayd bin Asim (may Allah be pleased with him) goes back to Mazin bin al-Najjar. His mother was Umm Umarah Nusaybah bint Ka'b. He took part in the Battle of Uhud, the Battle of the Trench and all the campaigns alongside the Messenger of Allah (peace and blessings be upon him). He was the paternal uncle of Abbad bin Tamim. Abdullah bin Zayd was among those who killed Musaylimah the Liar on the day of the Battle of al-Yamamah. He was martyred on the day of al-Harrah, in the last days of Dhu al-Hijjah in the year 63 AH, during the rule of Yazid bin Mu'awiyah.

Abbad bin Tamim narrates from his paternal uncle Sayyiduna Abdullah bin Zayd (may Allah be pleased with him) that he had taken part in the Battle of Badr.

Ishaq bin Ibrahim al-Hanzali states that Sayyiduna Abdullah bin Zayd bin Asim (may Allah be pleased with him) was a Khazraji, belonging to Banu Mazin bin al-Najjar, and he is the one who killed Musaylimah.

Ahmad bin Zuhayr bin Harb states: I heard my father say that the kunyah of Sayyiduna Abdullah bin Zayd (may Allah be pleased with him) was Abu Muhammad.

Abbad bin Tamim states that when the time of al-Harrah came, a man came to Sayyiduna Abdullah bin Zayd (may Allah be pleased with him) and said: "This is Ibn Hanzalah taking the pledge of allegiance from people to fight until death." He replied: "After the Messenger of Allah (peace and blessings be upon him), I will not pledge allegiance to anyone on this (death)." This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), but they did not record it.

Muhammad bin Umar (al-Waqidi) states that Sayyiduna Rabi'ah bin Ka'b al-Aslami (may Allah be pleased with him) was an early Muslim Companion and one of the People of the Suffah. He was appointed to serve the Messenger of Allah (peace and blessings be upon him), and he stayed attached to the Prophet (peace and blessings be upon him) in Madinah until his passing, taking part in all the campaigns. After his (peace and blessings be upon him) passing, he left Madinah and settled at a place called "Bayn", a settlement of the tribe of Aslam, one barid's distance from Madinah. He lived until the days of al-Harrah, and he died during that time, in Dhu al-Hijjah in the year 63 AH.

Sayyiduna Rabi'ah bin Ka'b al-Aslami (may Allah be pleased with him) narrates: "I used to serve the Messenger of Allah (peace and blessings be upon him), and he said to me: 'O Rabi'ah! Will you not marry?' I said: 'No, by Allah! I do not intend to marry.'"

Ibrahim bin al-Mundhir al-Hizami states that Mu'adh bin al-Harith al-Qari (may Allah be pleased with him) belonged to Banu al-Najjar. His kunyah was Abu al-Harith, and he was martyred on the day of al-Harrah.

Muhammad bin Umar (al-Waqidi) states that the lineage of Mu'adh bin al-Harith al-Qari (may Allah be pleased with him) goes back to Malik bin al-Najjar. His kunyah was Abu al-Harith, and he was martyred on the day of al-Harrah in Dhu al-Hijjah in the year 63 AH.

Yahya bin Ma'in states that the kunyah of Ma'qil bin Sinan al-Ashja'i (may Allah be pleased with him) was Abu Abd al-Rahman, and according to another view, Abu Yazid.