Clarification of the Transmission Chain to zur'ah From sama'ah

Everything in this book that is narrated from Zur'ah, from Sama'ah has been transmitted by me from my father - may Allah (swt) be pleased with him - from Sa'd ibn Abdullah, from Ahmad ibn Muhammad ibn Isa, from Al-Husayn ibn Said, from his brother Al-Hasan, from Zur'ah ibn Muhammad Al-Hadrami, from Sama'ah ibn Mihran.