It is narrated from Ibn Ishaq, in the mention of those who took part in the battle of the Trench, that Sayyiduna Zayd bin Thabit bin al-Dahhak bin Lawdhan bin Amr bin Abd Awf bin Ghanm bin Malik bin al-Najjar (may Allah be pleased with him) was among those who were carrying earth (from the Trench) along with the Muslims on that day.

It is narrated from Mus'ab bin Abdullah al-Zubayri that the kunyah of Sayyiduna Zayd bin Thabit bin al-Dahhak bin Zayd bin Lawdhan bin Amr bin Abd Awf bin Ghanm bin Malik bin al-Najjar al-Ansari (may Allah be pleased with him) was "Abu Sa'id", and "Abu Kharijah" has also been said. He died in the year 45 AH.

It is narrated from Muhammad bin Abdullah bin Numayr that Sayyiduna Abu Sa'id Zayd bin Thabit bin al-Dahhak (may Allah be pleased with him) died in the year 45 AH.