Mark 9:41

For whosoever shall give you but a cup of water to drink, for my sake; because ye are Christ's, I assure you, he shall not lose his reward.

Matthew 10:42

And whosoever shall give to one of these mean persons but a cup of cold water to drink, as my disciple, I assure you, he shall not lose his reward.

Matthew 25:40

And the king replying will say unto them, Verily I declare unto you, inasmuch as ye did it to one of the lest of these my brethren, ye did it to me.

John 19:25-27

Now there stood near the cross of Jesus his mother, and his mother's sister, Mary the wife of Cleopas, and Mary Magdalene.

Romans 8:9

But ye are not in the flesh, but in the spirit, if the Spirit of God dwelleth in you: but if any one hath not the Spirit of Christ, he is none of his.

Romans 14:15

But if thy brother be grieved by thy food, thou dost not herein walk in love. Do not by thy food destroy him, for whom Christ died.

1 Corinthians 3:23

and ye are Christ's; and Christ is God's.

1 Corinthians 15:23

But each in their proper order: the first-fruits, Christ; afterwards they that are Christ's, at his coming.

2 Corinthians 10:7

Do ye look at things according to the outward appearance? If any one is confident in himself that he is Christ's, let him consider this again of himself, that as he is Christ's, so we also are Christ's.

Galatians 3:29

And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.

Galatians 5:24

And they, that are Christ's, have crucified the flesh with it's 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 whosoever shall give to one of these mean persons but a cup of cold water to drink, as my disciple, I assure you, he shall not lose his reward.
Matthew 25:40
And the king replying will say unto them, Verily I declare unto you, inasmuch as ye did it to one of the lest of these my brethren, ye did it to me.

Because

John 19:25
Now there stood near the cross of Jesus his mother, and his mother's sister, Mary the wife of Cleopas, and Mary Magdalene.
Romans 8:9
But ye are not in the flesh, but in the spirit, if the Spirit of God dwelleth in you: but if any one hath not the Spirit of Christ, he is none of his.
Romans 14:15
But if thy brother be grieved by thy food, thou dost not herein walk in love. Do not by thy food destroy him, for whom Christ died.
1 Corinthians 3:23
and ye are Christ's; and Christ is God's.
1 Corinthians 15:23
But each in their proper order: the first-fruits, Christ; afterwards they that are Christ's, at his coming.
2 Corinthians 10:7
Do ye look at things according to the outward appearance? If any one is confident in himself that he is Christ's, let him consider this again of himself, that as he is Christ's, so we also are Christ's.
Galatians 3:29
And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.
Galatians 5:24
And they, that are Christ's, have crucified the flesh with it's passions and desires.