The Book of Asceticism · Hadith 109 (#Ḥadīth #21)
Chapter 5 | Kindness to Parents, Relatives, Kinsfolk and Severance of Ties
محمد بن أبي عمير عن هشام بن سالم عن أبي عبد الله عليه السلام قال: جاء رجل إلى النبي صلى الله عليه وآله فقال يا رسول الله: من أبر؟ قال: أمك قال: ثم من؟ قال: عليه السلام: أمك قال ثم من؟ قال: أباك.
22.Muḥammad ibn Abī ʿUmayr narrated from Hishām ibn Sālim, from Abū ʿAbdillāh who said: “A man came to the Prophet ﷺ and asked, ‘O Messenger of Allah, whom should I be kind to?’ He said, ‘Your mother.’ He asked, ‘Then who?’ He ﷺ said, ‘Your mother.’ He asked, ‘Then who?’ He said, ‘Your father.’”[1]
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).