Muhammad bin Ishaq narrates: Sayyiduna Abbas bin Abd al-Muttalib (may Allah be pleased with him): his kunyah was "Abu al-Fadl", and his mother's name was Natilah bint Janab bin Kulayb bin Malik bin Abd Manaf bin Amr bin Amir bin Zayd bin Abd Manat bin Amir bin Sa'd bin al-Khazraj bin Taym al-Lat bin Namir bin Qasit bin Afsa bin Jadilah bin Asad bin Rabi'ah bin Nizar bin Ma'add bin Adnan.
Al-Tabarani recorded it, and up to the one who said it, its narrators are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 15467