Clarification of the Transmission Chain to Amr Ibn Khalid

Everything in this book that is narrated from Amr ibn Khalid has been transmitted by me from my father - may Allah سبحانه وتعالى be pleased with him - from Sad ibn Abdullah, from Al-Haytham ibn Abi Masruq Al-Nahdi, from Al-Husayn ibn Alwan, from Amr ibn Khalid.