Hadith 6:912
Ibn ‘Ulayyah narrated to us, he said: I saw Ayyub standing at the grave, and he would supplicate for the deceased. He said: And perhaps I saw him supplicating for him while he was in the grave before he left.
حدثنا بن علية قال رأيت ايوب يقف على القبر فيدعو للميت قال وربما رأيته يدعو له وهو في القبر قبل أن يخرج