Answer: There be three persons in the Godhead, the Father, the Son, and the Holy Ghost; and these three are one true, eternal God, the same in substance, equal in power and glory; although distinguished by their personal properties₁.

1. 1 John 5:7; Matthew 3:16-17; Matthew 28:19; 2 Cor 13:14; John 10:30

For further study see:

1. WSC 6: How many persons are there in the Godhead?
2. Dr. R.C. Sproul:  “For the Doctrine of the Trinity”: