Abu Ahmad ibn Adi al-Jurjani: Unknown, he has Munkar (rejected) hadiths on the authority of trustworthy narrators
Abu Bakr al-Bayhaqi: Unknown, he narrates what is not corroborated
Al-Dhahabi: Weak
Authors of Tahrir Taqrib al-Tahdhib: Unknown, only Umar ibn Nafi' al-Thaqafi narrated on his authority, and no one authenticated him