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According to Arabic accounts, the tribe of the Jurhum gave protection to Hagar and her son Ishmael, a relationship cemented with Ishmael's marriage to a Jurhumite woman, Rala bint Mudad ibn 'Amr ibn Jurhum.[dead link] The Jurhum are said to have been involved in the worship centering around the Kaaba, the holy sanctuary rebuilt by Ishmael and his father Abraham and revered as a pilgrimage site. According to one tradition, their custodianship over the Kaaba ended after they were ousted by the Khuza'a, a tribal group from the south.
Well of ZamzamEdit
Islamic tradition further holds that Hagar and Ishmael found a spring in Mecca, the Zamzam well, from which the Jurhum wanted to drink, and that after their ousting by the Khuza'a tribe, the Jurhum collected the treasures dedicated to the Kaaba and destroyed the Zamzam well so that nobody would find it.
In other sourcesEdit
The Jurhum are attested to in Greek literature. "Isma’il grew up among the Jurhum tribe, learning the pure Arabic tongue from them. When grown up he successively married two ladies from the Jurhum tribe, the second wife being the daughter of Mudad ibn ‘Amr, leader of the Jurhum tribe." 
- Clouston, William Alexander. Arabian Poetry for English Readers.
- Abdullah, Shaikh (September 2006). Geography of the Prophet. Maktaba Darussalam. p. 62.
- Maqsood, Ruqaiyyah Waris. "Adam to Banu Khuza'ah". Retrieved 15 August 2015.
- Shahid, Irfan (1989). Byzantium and the Arabs in the Fifth Century. Dumbarton Oaks. p. 337.
- Ali, Mohar. "The Ka'abah And The Abrahamic Tradition". Retrieved 15 August 2015.