Abū ʿAmr al-Shaybānī, Isḥāq b. Mirār (ca. 93–210/712–825) was a well-known philologist and transmitter of poetry who lived in the early ʿAbbāsid period. Most of the sources give his father's name as Mirār (Abū al-Ṭayyib, 91; Ibn al-Nadīm, 74; al-Zubaydī, 194) but this name is sometimes also spelled Murād, Marrār or Nizār (al-Azharī, 1/13; al-Dāraquṭnī, 3/1401; al-Qālī, 2/275; Ibn Ḥajar, 6/807). In addition to al-Shaybānī, he was sometimes called al-Marrārī (Ibn al-Athīr, al-Lubāb, 3/189). Apparently, Abū ʿA…