Musnad Ahmad 6840

Translation

✧ Indeed among the greatest of sins is that a man reviles his parents. They said: How can a man revile his parents? He said: He reviles a man's father, and that man reviles his father; and he reviles his mother, and that man reviles his mother.

Grades by grader

Narrators

1. 1
   ʿAbdullāh b. ʿAmr b. al-ʿĀṣ

   One of the early Companions (sābiqūn), among those who narrated abundantly, and one of the jurist ʿAbdullāhs (al-ʿabādilah)d. 63 AH, or 65 AH, or 68 AH, or 69 AH; also said 67 AH, also said 73 AH, also said 77 AH
   عَبْدُ اللهِ بْنُ عَمْرِو بْنِ الْعَاصِأحد السابقين ، المكثرين من الصحابة ، وأحد العبادلة الفقهاء
   عن
2. 2
   Ḥumayd b. ʿAbd al-Raḥman al-Qurashī

   Trustworthy (thiqah).d. 95 AH, also said 105 AH, which is an error
   حُمَيْدَ بْنَ عَبْدِ الرَّحْمَنِثقة.
   سمعت
3. 3
   Saʿd b. Ibrāhīm b. ʿAbd al-Raḥman b. ʿAwf

   He was trustworthy (thiqah), virtuous, and devout.d. 125 AH or 126 AH or 127 AH or 128 AH or 130 AH
   سَعْدِ بْنِ إِبْرَاهِيمَوكان ثقة فاضلا عابدا
   عن
4. 4
   Shuʿbah

   Trustworthy (thiqah), a retentive memorizer (ḥāfiẓ), meticulous (mutqin)d. 160 AH
   شُعْبَةُثقة حافظ , متقن
   حدثنا
5. 5
   Muḥammad b. Jaʿfar

   Trustworthy (thiqah), his book was sound (ṣaḥīḥ al-kitāb), except that he had some heedlessness (ghaflah)d. 192 AH or 193 AH or 194 AH
   مُحَمَّدُ بْنُ جَعْفَرٍثقة صحيح الكتاب إلا أن فيه غفلة
   حدثنا
6. 6
   Aḥmad b. Ḥanbal

   Trustworthy (thiqah), a memorizer (ḥāfiẓ), a jurist (faqīh), an authority (ḥujjah).d. 241 AH, Abū Umayyah Muḥammad b. Ibrāhīm al-Ṭarsūsī said: 242 AH, and no one followed him in his view
   أحمد بن حنبلثقة حافظ فقيه حجة

Who each narrator was and how reliable, from hdith.com

Latin names and English verdicts with a dotted underline are machine translations, not reviewed.