God, Jesus & the Holy Spirit
The Spirit and the apostles together bear witness to Jesus.
Cited Scripture
John 15:26-27.
Read Cited Scripture (KJV) John 15:26–27
King James Version
John 15:26–27
26But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall testify of me:
27And ye also shall bear witness, because ye have been with me from the beginning.
Scripture quotations are from the King James Version (KJV).