Albert of Aachen, II. 16, pp. 84–6. См. также: E. Patlagean, 'Christianisation et parentés rituelles: le domaine de Byzance', Annales ESC 33 (1978), pp. 625–36; R. Macrides, 'Kinship by arrangement: The case of adoption', Dumbarton Oaks Papers 44 (1990), pp. 109–18.
