Clarification of the Transmission Chain to Ahmad Ibn Muhammad Ibn ʿisa Al-Ashari

And whatever is narrated from Ahmad ibn Muhammad ibn ʿIsa Al-Ashari - may Allah (swt) be pleased with him - I have narrated it from my father and from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with them - from Saʿd ibn Abdullah and Abdullah ibn Jafar Al-Himyari together, from Ahmad ibn Muhammad ibn ʿIsa Al-Ashari.