Abu Hatim al-Razi: Truthful
Al-Khatib al-Baghdadi: Trustworthy
Al-Dhahabi: One of the vessels of knowledge
Abd al-Hayy ibn al-'Imad al-Hanbali: The Hadith scholar, he classified the book of ethics, and the difference in the doctrine of Malik, and the fatwa
Abdullah ibn Ahmad ibn Hanbal: Trustworthy, good understanding
Abdullah ibn Usamah al-Kalbi: He was trustworthy and had good understanding