Ja'far ibn Muhammad ibn al-Mughallis
Ja'far ibn Muhammad ibn al-Mughallis (جعفر بن محمد بن المغلس), kunya Abu al-Qasim, was a hadith transmitter of Baghdad who is known almost entirely through isnads (chains of transmission) and one-line entries in the biographical dictionaries, not as an author or famous scholar in his own right. Al-Dhahabi's Siyar A'lam al-Nubala records him in a single line as a Baghdadi who narrated from Hawthara al-Minqari, adding only that many later transmitters shared the same name.1 His death year is disputed: al-Khatib al-Baghdadi and Ibn Shahin state that he died in Dhu al-Hijja 319 AH.2
| Key fact | Detail |
|---|---|
| Identity | Abu al-Qasim Ja'far ibn Muhammad ibn al-Mughallis al-Baghdadi, a hadith transmitter2 |
| Grading | Al-Daraqutni, when asked about him, said "thiqah" (trustworthy), as recorded by al-Khatib al-Baghdadi and cited by al-Dhahabi2 |
| Teachers | Hawthara ibn Muhammad al-Minqari, Abu Sa'id al-Ashajj, Ahmad ibn Sinan al-Qattan; al-Khatib adds Harun ibn Ishaq al-Hamdani, Ammar ibn Khalid al-Tammar, and Ishaq ibn Sayyar al-Nasibi2 |
| Students | Ibn Shahin and Abu Hafs al-Kittani transmitted from him2 |
| Family | Younger brother of Abu Abd Allah Ahmad ibn al-Mughallis; uncle of the Zahiri jurist Abdallah ibn Ahmad ibn al-Mughallis (d. 324/936)2 • 3 |
| Death year | Disputed: al-Dhahabi writes "the year nineteen" without stating the century; al-Khatib and Ibn Shahin give Dhu al-Hijja 319 AH2 |
Name, family, and life
The genealogy that the sources give is short: his father was Muhammad ibn al-Mughallis, and his elder brother was Abu Abd Allah Ahmad, of whom Ja'far was the younger.2 The TDV Encyclopedia of Islam identifies the wider family as Baghdadi: Ahmad's son was the Zahiri jurist Abu'l-Hasan Abdallah ibn Ahmad ibn Muhammad ibn al-Mughallis al-Baghdadi, who died on 4 Jumada al-Akhira 324 (29 April 936) in Baghdad at about age sixty, making Ja'far that jurist's uncle.3
As a hadith transmitter
Ja'far's profile is that of a minor link in chains of narration. Al-Dhahabi lists three teachers: Hawthara ibn Muhammad al-Minqari, Abu Sa'id al-Ashajj, and Ahmad ibn Sinan al-Qattan; al-Khatib al-Baghdadi adds three more, Harun ibn Ishaq al-Hamdani, Ammar ibn Khalid al-Tammar, and Ishaq ibn Sayyar al-Nasibi.2 Two students are named, Ibn Shahin and Abu Hafs al-Kittani.2
Evaluation by the critics
The one grading retrieved is al-Daraqutni's. Al-Khatib al-Baghdadi records that when asked about Ja'far ibn Muhammad ibn al-Mughallis, al-Daraqutni answered "thiqah" (trustworthy); al-Dhahabi cites the same verdict in his own entry.2
The verdict sits within the method of jarh wa-l-ta'dil, the classical discipline of criticizing and authenticating transmitters. Modern scholarship finds that transmitter assessments during and after the 3rd/9th century were substantially coherent with those of the earlier critic Shu'bah ibn al-Hajjaj, which is the academic context for treating a single "thiqah" from al-Daraqutni as a positive grade for a minor transmitter.4
Identity and name confusions
Conflation is the main hazard in reading this name. Al-Dhahabi notes that many later transmitters shared the name Ja'far ibn Muhammad, and warns specifically that Ja'far ibn Muhammad al-Khurasani, that is, al-Firyabi, "resembles" three similarly named contemporaries.1 The famous namesake is Ja'far ibn Muhammad al-Firyabi, qadi of Dinawar, whom al-Khatib described as thiqah, hujja, "one of the vessels of knowledge," who traveled east and west and met the leading scholars.5 Al-Dhahabi's own entry distinguishes the Baghdadi ibn al-Mughallis as a separate, minor transmitter, but the warning shows that confusion between the two was a live risk in the sources themselves.
The other namesakes al-Dhahabi separates include Ja'far ibn Muhammad ibn Husayn ibn Tughan Abu'l-Fadl al-Naysaburi, known as al-Turk, graded "thiqah, hafiz, thabt," who died in 295 AH, and Ja'far ibn Muhammad ibn Sawwar al-Naysaburi; al-Dhahabi notes that either of the two Naysaburi Ja'fars, or al-Firyabi, all of one tabaqa (generation), might be the source of Muhammad ibn Yahya al-Azdi.1
Historical setting
Ja'far worked in Baghdad. The scale is visible in the career of his namesake al-Firyabi: about 30,000 people attended one of his Baghdad sessions, of whom 316 were committed students (al-mustamlun) who took dictation, and Abu Ahmad ibn Adi reported sessions of ten thousand or more.5
The family's Baghdad setting also connects to the Zahiri school: the nephew Ibn al-Mughallis was a Zahiri jurist who heard hadith from Ali ibn Dawud al-Kantari, Abu Kilaba al-Raqashi, Ismail ibn Ishaq al-Jahdami, and Abdallah ibn Ahmad ibn Hanbal, among others, and after his death the Zahiri school spread in Baghdad through his student Haydara.3
References
- Siyar A'lam al-Nubala (al-Risala ed.), vol. 14, p. 111, al-Dhahabi, al-Maktaba al-Shamela
- جعفر بن محمد بن المغلس, The Hadith Transmitters Encyclopedia
- İBNÜ'l-MUGALLİS, TDV İslâm Ansiklopedisi
- Referential Value of Ḥadīth Transmitter Criticism in the 2nd/8th Century: The Case of Shuʿbah ibn al-Ḥajjāj, Ilahiyat Studies
- Siyar A'lam al-Nubala (al-Risala ed.), vol. 14, tarjama of Ja'far ibn Muhammad al-Firyabi, al-Dhahabi, al-Maktaba al-Shamela
Initially written Oct 10, 2026 · Edited: Oct 11, 2026; Oct 15, 2026
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