Abu Uthman Sa'id bin Muhammad Ibn Abi Al -Husayn, Ahmad ibn Muhammad ibn Jaafar ibn Muhammad ibn Bahair al -Bahari, al -Nisaburi (451) Dah bin Muhammad Ibn Abi Al -Husayn, Ahmad ibn Muhammad ibn Jaafar bin Muhammad ibn Bahair al -Bahari, Al -Nasabi (died 451 AH He died 451. Abu Uthman Sa'id bin Muhammad Ibn Abi Al -Husayn Ahmad bin Muhammad bin Jaafar bin Muhammad bin Muhammad bin Bahair Al -Bayhari, Al -Nisabi (451)