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al-Harith ibn Hisham — Abu Jahl's Brother Who Converted at the Conquest: How the Son of a Chief Enemy of Islam Became One of Its Most Devoted Servants

الحَارِثُ بنُ هِشَام — أَخُو أَبِي جَهلٍ الَّذِي أَسلَمَ يَومَ الفَتح: كَيفَ صَارَ ابنُ كَبِيرِ أَعدَاءِ الإِسلَامِ مِن أَكثَرِ المُؤمِنِينَ تَفَانِيًا فِي خِدمَتِهِ
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al-Harith ibn Hisham al-Makhzumi (الحَارِثُ بنُ هِشَامٍ المَخزُومِيّ; full brother of Abu Jahl [Amr ibn Hisham], who was the fiercest opponent of the Prophet; converted to Islam at the Conquest of Mecca [8 AH / 630 CE]; after conversion became deeply devout; died at the Battle of Ajnadayn [13 AH / 634 CE] against the Byzantines during the early Islamic expansion into Syria; his deathbed scene — giving water to others even as he himself was dying, each person passing the water to the next — is one of the most-cited examples of self-sacrifice in early Islamic history) is a Companion whose entire significance is a contrast: his brother Abu Jahl was the Prophet's supreme enemy; al-Harith became one of the Prophet's last-hour converts and Islam's early martyrs.

The Brother of Abu Jahl

The relationship is striking: Abu Jahl (Amr ibn Hisham) was so hostile to the Prophet that the Prophet gave him the nickname Abu Jahl (Father of Ignorance) — his given name was Amr, but the Prophet’s name stuck in history. His full biological brother al-Harith chose a different path.

The Banu Makhzum were one of the most powerful clans of the Quraysh, and both brothers carried that prestige. Where Abu Jahl wielded it to resist, al-Harith ultimately used it in service.

Late Conversion and Deep Commitment

Al-Harith is counted among the tulaqaa’ — those who converted at the Conquest of Mecca and received the Prophet’s amnesty. Some of the tulaqaa’ were suspected of lukewarm commitment (Muawiyah’s eventual political success being the most famous case). Al-Harith was an exception: he converted with evident sincerity and became known for his scholarship and his personal piety.

The Deathbed of Ajnadayn

At the Battle of Ajnadayn (634 CE) — one of the decisive early battles against Byzantine forces in Palestine — al-Harith was mortally wounded. As he lay dying, water was brought to him. He waved it to Ikrima ibn Abi Jahl (also mortally wounded nearby). Ikrima waved it to Suhayb ibn Sinan (also dying). By the time the water reached any of them, each had died.

This scene — three of the early Muslims giving water to one another in their final moments — is preserved as a parable of selfless brotherhood that transcends the individual.

See also: Seerah Ikrimah Ibn Abi Jahl, Seerah Suhayb Ibn Sinan, Fath Mecca, Seerah Khalid Ibn Walid, Seerah Hindun Bint Utbah

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