Jesus Coming From The Cloud
The next two verses cover the return and eternal being [eternity] of Jesus Rev 1:7-8
The same way he went to heaven as in Acts 1:9-11 and Luke 23:50-53 he will come back.
Jesus went back to heaven so he could send the Holy Spirit who would help us.
The Holy Spirit is a person and the third of the trinity.
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Jesus
John the Baptist was cousin of Jesus.