Clarification of the Transmission Chain to Al-ṣabah Ibn Siyabah

And whatever is narrated from Al-Ṣabah ibn Siyabah, I have narrated it from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with him - from Muhammad ibn Al-Hasan Al-Ṣaffar, from Muhammad ibn Al-Husayn ibn Abi Al-Khaṭṭab, from Jafar ibn Bashir Al-Bajali, from Hammad ibn Uthman, from Al-Ṣabah ibn Siyabah, the brother of Abd Al-Rahman ibn Siyabah Al-Kufi.