16 The Spirit himself testifies with our spirit that we are children of God;
Romans 8:16 Cross References - NHEB
Romans 8:23
23 And not only this, but ourselves also, who have the first fruits of the Spirit, even we ourselves groan within ourselves, waiting for adoption, the redemption of our body.
Romans 8:26
26 And in the same way, the Spirit also helps our weaknesses, for we do not know how to pray as we ought. But the Spirit himself makes intercession for us with inexpressible groanings.
2 Corinthians 1:12
12 For our boasting is this: the testimony of our conscience, that with pure motives and sincerity of God, not in fleshly wisdom but in the grace of God we conducted ourselves in the world, and more abundantly toward you.
2 Corinthians 1:22
22 who also sealed us, and gave us the down payment of the Spirit in our hearts.
2 Corinthians 5:5
5 Now he who made us for this very thing is God, who also gave to us the down payment of the Spirit.
Ephesians 1:13
13 in whom you also, having heard the word of the truth, the Good News of your salvation,—in whom, having also believed, you were sealed with the Holy Spirit of promise,
Ephesians 4:30
30 Do not grieve the Holy Spirit of God, in whom you were sealed for the day of redemption.
1 John 3:19-22
19 And by this we will know that we are of the truth, and persuade our heart before him,
20 because if our heart condemns us, God is greater than our heart, and knows all things.
21 Beloved, if our hearts do not condemn us, we have confidence before God;
22 and whatever we ask, we receive from him, because we keep his commandments and do the things that are pleasing in his sight.
1 John 4:13
13 By this we know that we remain in him and he in us, because he has given us of his Spirit.
1 John 5:10
10 He who believes in the Son of God has the testimony in himself. He who does not believe God has made him a liar, because he has not believed in the testimony that God has given concerning his Son.