Complex sentence: Ashot and Miroslava boarded one of the Byzantine ships that were beleaguering the town and fled to Constantinople, where the Emperor Basil II granted Ashot the title of "patrikios" and Miroslava, the title of "zoste patrikia" (lady-in-waiting).
Split into simpler sentences: Ashot and Miroslava boarded one of the Byzantine ships that were beleaguering the town and fled to Constantinople. In Constantinople the Emperor Basil II granted Ashot the title of "patrikios" and Miroslava was honoured with the title of "zoste patrikia" (Lady-in-Waiting).