In Gender and Succession in Medieval and Early Modern Islam: Bilateral Descent and the Legacy of Fatima, Alyssa Gabbay examines episodes in pre-modern Islamic history in which individuals or societies recognized descent from both men and women. Fatima, daughter of the Prophet Muhammad, features prominently in this study, for her example constituted a striking precedent for acknowledging bilateral descent in both Sunni and Shi'i societies, with...