Secundus of Ptolemais was a 4th-century bishop of Ptolemais, excommunicated after the First Council of Nicaea for his nontrinitarianism.Hanson 2005: pp. 162–163. "Two bishops who refused to sign the Creed, Secundus of Ptolemais and Theonas of Marmarike, were deposed by the Council and exiled by the Emperor."R. P. C. Hanson, The Search for the Christian Doctrine of God: The Arian Controversy, 318–381. 2005 (T&T Clark (Continuum), 2008)
Secundus, was bishop of Ptolemais and a patron of Arius, Warren H. Carroll, A. History of Christendom, Volume II. p. 11. and is listed among those present at the council of Nicaea. Theonas and Secundus were the only bishops at the Council of Nicaea who refused to accept its decree nor sign the Nicaean Creed, a position for which he was deposed by the bishop of Alexandria, and sent into exileWarren H. Carroll, A. History of Christendom, Volume II. p. 12. He later recovered his bishopric as part of Constantine the Great's attempts at reconciliation, though his Arian successor Stephanus of Ptolemais was deposed in about 360.
See also Arianism Arian controversy Timeline of Christianity: Era of the Seven Ecumenical Councils
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