“…40 Here, the utility of new laws was not merely in regulating norms and enhancing ecclesiastical control, but also in their formulation in a language that emphasized communal hierarchy and separateness. 41 Shortly after Mār Abā, two canons issued by catholicos Ishoyahb I (r. 582-96), the first issued in a synod in 585 and the second as an answer to bishop Yaqob of Dīren in the same year, also touch upon matters of lay inheritance. 42 Morony notes that by the end of the Sasanian period East Syrian authorities had at their disposal no less than a body of canon law by which an East Syrian communal membership could be fully applied.…”