Of the Prophet (pbuh&h)’s Ahl al-Bayt [household]. . .
Abu Dāwood is one of the Sunni scholars and elders.
In the introduction of the book “Sunnah Abu Dāwood” Ibrahim ibn Ishaq Al-Harbi wrote: The knowledge of the hadith for Abu Dāwood was as same as Iron in Prophet David (pbuh)’s hands [means Abu Dāwood was completely fluent in Hadith].