Clarification of the Transmission Chain to Al-Abbas Ibn maʿruf

And whatever is narrated from Al-Abbas ibn Maʿruf, I have narrated it from Muhammad ibn Al-Hasan - may Allah سبحانه وتعالى be pleased with him - from Muhammad ibn Al-Hasan Al-Ṣaffar, from Al-Abbas ibn Maʿruf. And I have also narrated it from my father - may Allah سبحانه وتعالى have mercy on him - from Saʿd ibn Abdullah, from Ahmad ibn Muhammad ibn ʿIsa and Ahmad ibn Abi Abdillah Al-Barqi together, from Al-Abbas ibn Maʿruf.