Ibn ʿAṭṭāsh, Aḥmad - Encyclopaedia of Islam, THREE
[Article]
Halm, Heinz
Leiden
Brill
(385 words)
Aḥmad b. ʿAbd al-Malik Ibn ʿAṭṭāsh (d. 500/1107) was the son of the former Ismāʿīlī dāʿī in Isfahan. He ostensibly apostatised from the doctrine of his father and missionised secretly under the cover of a linen seller. He became a teacher and steward of the young male and female palace slaves in the castle of Shāhdiz, which the Saljūq sultan Malikshāh I (r. 465-85/1073-92) had built about eight kilometres south of Iṣfahān. During the conflict between Malikshāh's sons Barkyāruq (r. 487-98/1094-1105)