Mark 9:41

For truly, I say to you, whoever gives you a cup of water to drink in my name, because you belong to Christ, will by no means lose his reward.

Matthew 10:42

And whoever gives to one of these little ones even a cup of cold water because he is a disciple, truly, I say to you, he shall not lose his reward."

Matthew 25:40

And the King will answer them, 'Truly, I say to you, as you did it to one of the least of these my brethren, you did it to me.'

John 19:25-27

By the cross of Jesus stood his mother, and his mother's sister, Mary the wife of Clopas, and Mary Magdalene.

Romans 8:9

But you are not in the flesh, you are in the Spirit, if in fact the Spirit of God dwells in you. And if anyone does not have the Spirit of Christ he does not belong to him.

Romans 14:15

If your brother is distressed because of what you eat, you are no longer walking in love. Do not by your eating destroy the one for whom Christ died.

1 Corinthians 3:23

and you belong to Christ; and Christ belongs to God.

1 Corinthians 15:23

But each in his own order: Christ the first fruits, then, at his coming, those who belong to him.

2 Corinthians 10:7

You look at things as they are outwardly. If anyone is confident in himself that he is Christ's, let him consider this again within himself, that just as he is Christ's, so also are we.

Galatians 3:29

And if you belong to Christ, then you are Abraham's offspring, heirs according to promise.

Galatians 5:24

Those who belong to Christ Jesus have crucified the flesh with its passions and desires.

Treasury of Scripture Knowledge

Summary

For whosoever shall give you a cup of water to drink in my name, because ye belong to Christ, verily I say unto you, he shall not lose his reward.

Bible References

Whosoever

Matthew 10:42
And whoever gives to one of these little ones even a cup of cold water because he is a disciple, truly, I say to you, he shall not lose his reward."
Matthew 25:40
And the King will answer them, 'Truly, I say to you, as you did it to one of the least of these my brethren, you did it to me.'

Because

John 19:25
By the cross of Jesus stood his mother, and his mother's sister, Mary the wife of Clopas, and Mary Magdalene.
Romans 8:9
But you are not in the flesh, you are in the Spirit, if in fact the Spirit of God dwells in you. And if anyone does not have the Spirit of Christ he does not belong to him.
Romans 14:15
If your brother is distressed because of what you eat, you are no longer walking in love. Do not by your eating destroy the one for whom Christ died.
1 Corinthians 3:23
and you belong to Christ; and Christ belongs to God.
1 Corinthians 15:23
But each in his own order: Christ the first fruits, then, at his coming, those who belong to him.
2 Corinthians 10:7
You look at things as they are outwardly. If anyone is confident in himself that he is Christ's, let him consider this again within himself, that just as he is Christ's, so also are we.
Galatians 3:29
And if you belong to Christ, then you are Abraham's offspring, heirs according to promise.
Galatians 5:24
Those who belong to Christ Jesus have crucified the flesh with its passions and desires.