Clarification of the Transmission Chain to Al-Ala Ibn Razin

Everything in this book that is narrated from Al-Ala ibn Razin has been transmitted by me from my father and from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with them both - from Sa'd ibn Abdullah and Al-Himyari together, from Ahmad ibn Muhammad ibn Isa, from Muhammad ibn Khalid, from Al-Ala ibn Razin. I have also narrated it from my father and from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with them both - from Sa'd ibn Abdullah and Al-Himyari together, from Muhammad ibn Abi Al-Sahban, from Safwan ibn Yahya, from Al-Ala ibn Razin. Additionally, I have narrated it from my father - may Allah (swt) be pleased with him - from Ali ibn Sulayman Al-Zarari Al-Kufi, from Muhammad ibn Khalid, from Al-Ala ibn Razin Al-Qalla'. Moreover, I have narrated it from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with him - from Muhammad ibn Al-Hasan Al-Saffar, from Ahmad ibn Muhammad ibn Isa, from Al-Hasan ibn Ali ibn Faddal and Al-Hasan ibn Mahbub, from Al-Ala ibn Razin.