Complex sentence: She is the earliest consort of the Despotate of Epiros known by name: the two wives of Michael I Komnenos Doukas, predecessor of her husband, were members of the Melissenos family but their first names are unknown.
Split into simpler sentences: She is the earliest consort of the Despotate of Epiros known by name. The two wives of Michael I Komnenos Doukas, predecessor of her husband, were members of the Melissenos family but their first names are unknown.