God, Jesus & the Holy Spirit
Eternal life is to know the only true God and Jesus Christ whom he sent.
Cited Scripture
John 17:3.
Read Cited Scripture (KJV) John 17:3
King James Version
John 17:3
3And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
Scripture quotations are from the King James Version (KJV).