Abū Zakariyyā al-Janāwunī, Yaḥyā b. al-Khayr b. Tūzīn, was an Ibāḍī jurist from the Jabal Nafūsa (Nefousa), who lived in the 6th/12th century. He was a native of Ijnāwun (which lay east of Jabal Nafūsa) and was born into a learned family. His grandfather, Abū al-Khayr Tūzīn al-Janāwunī, was himself a renowned scholar who was blessed at birth by Abū al-Khayr Tūzīn al-Zawāghī, and for this reason Yaḥyā was named after him (al-Shammākhī, 2/28). Since al-Zawāghī lived d…