Creeds concerning the Trinity 1. The Nicene Creed (325) We believe in one God - And in one Lord Jesus Christ, the Son of God, begotten of the Father, light of light, very God of very God, begotten, not made, being of one substance with the Father - And in the Holy Ghost. 2. The Niceno-Constantinopolian Creed (381) In this creed the clauses concerning the Father and the Son are..