Complex sentence: As queen consort, Zenobia remained in the background and was unmentioned in the historical record; according to later accounts, including one by Giovanni Boccaccio, she accompanied her husband on his campaigns.
Split into simpler sentences: As queen consort, Zenobia remained in the background and was unmentioned in the historical record. According to later accounts, including one by Giovanni Boccaccio, she accompanied her husband on his campaigns.