He heard from: Muhammad ibn Muslim ibn Warrah, Yahya ibn Abi Talib, Abu Hatim al-Razi, Ahmad ibn Muhammad ibn Abi al-Khanajir al-Tarabulusi, Abu Umayya al-Halabi, and their contemporaries.
Those who narrated from him include: Abu Shaykh, Abu ʿAbd Allah ibn Manda, Abu Bakr ibn Mardawayh, ʿAli ibn Maylah al-Faradhi, ʿAbd Allah ibn Ahmad ibn Julah, and others.
It has reached us that he was a refined man of letters, outstanding and well-versed in hadith.
He passed away in Jumada al-Akhira of the year 333 AH.
I possess some of his higher-chain transmissions.

171 – Al-Zanbari, Abu Bakr Ahmad ibn Masʿud ibn ʿAmr *
The traditionist, Abu Bakr Ahmad ibn Masʿud ibn ʿAmr ibn Idris al-Zanbari, an Egyptian.
He transmitted hadith from Bahr ibn Nasr al-Khawlani, al-Rabiʿ ibn ʿAbd al-Hakam, and a group of others.
Those who reported from him include Ibn al-Muqriʾ, Ibn Yunus, ʿUmar ibn Shahin, and others.
When Ibn Makula spoke of the Zanbaris—spelling the name with a nūn—he mentioned no one besides this man (1). He travelled in search of knowledge and was perceptive.
He died in Ramadan of the year 333 AH (2).