The date and place of birth are not securely recorded. He was still considered young at Karbala in 61 AH, but the sources do not establish an exact age.
Umar ibn Hasan al-Mujtaba
PER-000070
Ahl al-Bayt
Probable
Burial place unknown
Imami source baseline
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Umar ibn Hasan al-Mujtaba, also named Amr in several early and Imami sources, was a son of Imam Hasan ibn Ali, Peace Be Upon Him. His mother's personal name is not securely preserved; early notices describe her only as an unnamed umm walad. Al-Tabari and Abu al-Faraj al-Isfahani place him among the young members of the Prophet's family who survived Karbala in 61 AH and were taken with the captives, although some later works count him among the martyrs. Genealogical sources remember him as a devout man and record children, including Muhammad and Umm Salama. His exact birth, death, and burial are unknown.
The date and circumstances of death are not securely recorded. The stronger early record shows that he survived Karbala; later martyrdom reports remain attributed variants.
His burial place is unknown in the reliable sources reviewed. No modern grave, shrine, al-Baqi attribution, or GPS location is asserted.
Biography and historical profile
Umar ibn Hasan was a son of Imam Hasan al-Mujtaba, Peace Be Upon Him, and a grandson of Imam Ali and Lady Fatima al-Zahra, Peace Be Upon Them. The sources vary between the forms Umar and Amr for his name. Shaykh al-Mufid's child list uses Amr and places him with al-Qasim and Abd Allah among sons born to an unnamed umm walad, while other historians and genealogists use Umar. Because both forms belong to the transmitted record, this profile preserves Umar as the registry name and Amr as a verified variant.
No reliable birth date is preserved. The Karbala reports show that he was still young in 61 AH. Al-Tabari's narrative says that he was considered too young and was therefore not killed, and it also identifies his mother only as an umm walad. This early report is stronger than later expanded age calculations, so the profile does not assign a precise year of birth or a certain age.
Umar accompanied the household of Imam Husayn, Peace Be Upon Him, during the Karbala crisis. Al-Tabari explicitly lists him among those spared because of youth. Abu al-Faraj al-Isfahani later names Umar, Zayd, and Hasan among the sons of Hasan who were carried with the captive family after the killing. These reports establish his presence in the Karbala aftermath and his survival more securely than the later lists that classify a similarly named son of Hasan as a martyr.
Some Imami compilations and later maqtal literature state that Amr or Umar ibn Hasan was killed before his uncle at Karbala. The disagreement may involve variant names, compression of family lists, or later harmonization of the sons of Hasan. Since al-Tabari and Maqatil al-Talibiyyin preserve a coherent survival-and-captivity sequence, this profile gives that sequence priority while clearly retaining the martyrdom report as a later attributed view rather than erasing it.
Genealogical sources preserve more information about his later family than about his public career. Nasab Quraysh and Lubab al-Ansab name a son Muhammad whose mother was Ramlah bint Aqil ibn Abi Talib, and they also mention a daughter Umm Salama; Nasab Quraysh records additional children through an unnamed umm walad. The same tradition describes Umar as a devout man of righteousness and religion. The sources identify Ramlah as Muhammad's mother but do not explicitly preserve the marriage formula, so the marriage remains unconfirmed.
The date, circumstances, and place of Umar's death are not securely preserved, and no reliable burial location has been identified. His historical profile is therefore best defined by three well-supported elements: descent from Imam Hasan, survival and captivity after Karbala according to the stronger early record, and the later genealogical notices concerning his piety and descendants. Unsupported speeches, precise ages, miracles, and modern grave claims have not been added.
No reliable birth date is preserved. The Karbala reports show that he was still young in 61 AH. Al-Tabari's narrative says that he was considered too young and was therefore not killed, and it also identifies his mother only as an umm walad. This early report is stronger than later expanded age calculations, so the profile does not assign a precise year of birth or a certain age.
Umar accompanied the household of Imam Husayn, Peace Be Upon Him, during the Karbala crisis. Al-Tabari explicitly lists him among those spared because of youth. Abu al-Faraj al-Isfahani later names Umar, Zayd, and Hasan among the sons of Hasan who were carried with the captive family after the killing. These reports establish his presence in the Karbala aftermath and his survival more securely than the later lists that classify a similarly named son of Hasan as a martyr.
Some Imami compilations and later maqtal literature state that Amr or Umar ibn Hasan was killed before his uncle at Karbala. The disagreement may involve variant names, compression of family lists, or later harmonization of the sons of Hasan. Since al-Tabari and Maqatil al-Talibiyyin preserve a coherent survival-and-captivity sequence, this profile gives that sequence priority while clearly retaining the martyrdom report as a later attributed view rather than erasing it.
Genealogical sources preserve more information about his later family than about his public career. Nasab Quraysh and Lubab al-Ansab name a son Muhammad whose mother was Ramlah bint Aqil ibn Abi Talib, and they also mention a daughter Umm Salama; Nasab Quraysh records additional children through an unnamed umm walad. The same tradition describes Umar as a devout man of righteousness and religion. The sources identify Ramlah as Muhammad's mother but do not explicitly preserve the marriage formula, so the marriage remains unconfirmed.
The date, circumstances, and place of Umar's death are not securely preserved, and no reliable burial location has been identified. His historical profile is therefore best defined by three well-supported elements: descent from Imam Hasan, survival and captivity after Karbala according to the stronger early record, and the later genealogical notices concerning his piety and descendants. Unsupported speeches, precise ages, miracles, and modern grave claims have not been added.
Historical importance and legacy
Umar ibn Hasan is important as a young survivor within the Hasani branch of the Prophet's family. His presence in the Karbala aftermath shows that the tragedy included not only those killed on the battlefield but also children and relatives who were spared and carried with the household after 61 AH.
His profile is also a significant example of source criticism. Early historical material presents a survival-and-captivity account, while later Imami and maqtal works sometimes list him as a martyr. Recording both positions with their relative source weight protects the person from both denial and artificial certainty.
The genealogical notices about Muhammad, Umm Salama, and the extinction of his known line preserve Umar's place in Hasani family history. At the same time, the absence of reliable death and burial information demonstrates that respect for Ahl al-Bayt does not require inventing a complete chronology or attaching an unsupported modern shrine.
His profile is also a significant example of source criticism. Early historical material presents a survival-and-captivity account, while later Imami and maqtal works sometimes list him as a martyr. Recording both positions with their relative source weight protects the person from both denial and artificial certainty.
The genealogical notices about Muhammad, Umm Salama, and the extinction of his known line preserve Umar's place in Hasani family history. At the same time, the absence of reliable death and burial information demonstrates that respect for Ahl al-Bayt does not require inventing a complete chronology or attaching an unsupported modern shrine.
Family relationships
👪 Parents
Father
Imam Hasan al-Mujtaba
Probable
🌱 Children
Sources
Tarikh al-Tabari | Muhammad ibn Jarir al-Tabari | Events of 61 AH, Vol. 4, displayed p. 359 | https://lib.eshia.ir/22009/4/359 | Amr/Umar ibn Hasan was considered too young, was not killed, and his mother was an unnamed umm waladMaqatil al-Talibiyyin | Abu al-Faraj al-Isfahani | Vol. 1, displayed p. 79 | https://lib.eshia.ir/22033/1/79/ | Umar, Zayd and Hasan, sons of Hasan, carried with the captive household after Karbala
Kitab al-Irshad, child list of Imam Hasan | Shaykh al-Mufid | Vol. 2, p. 20 as quoted in later editions | https://ar.lib.eshia.ir/12378/2/69 | name variant Amr and maternal description as an unnamed umm walad
Nasab Quraysh | Musab ibn Abd Allah al-Zubayri | Hasanid descendants entry, displayed p. 50 | https://shamela.ws/book/2922/48 | children Muhammad, Amr and Umm Salama; Muhammad's mother Ramlah bint Aqil; piety and extinction of the known line
Lubab al-Ansab wa-l-Alqab wa-l-Aqab | Abu al-Hasan al-Bayhaqi | Vol. 1, displayed p. 28 | https://lib.eshia.ir/40513/1/28/ | children Muhammad and Umm Salama and description of Umar as devout and righteous
Tahdhib al-Tahdhib | Ibn Hajar al-Asqalani | Muhammad ibn Amr ibn Hasan entry, displayed p. 660 | https://shamela.ws/book/1293/1990 | confirms Muhammad ibn Amr and identifies his mother as Ramlah bint Aqil
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