Wikipedia 14 December 2016 Eustathius of Sebaste (Eustathius, known as Eustathius of Sebaste, was bishop of Sebastia in Armenia. Together with Basil of Ancyra, he was the author of the sect of the Macedonians. He must have been a contemporary of Constantine the Great, for Nicephorous states that although he had signed the decrees of the Council of Nicaea, he yet openly sided with the Arians. Eustathius died after 377) https://en.wikipedia.org/wiki/Eustathius_of_Sebaste