Hebrews 2:11

For both he that sanctifies and those sanctified are all of one; for which cause he is not ashamed to call them brethren,

Hebrews 10:10

by which will we have been sanctified through the offering of the body of Jesus Christ once for all.

Matthew 25:40

And the King answering shall say to them, Verily, I say to you, Inasmuch as ye have done it to one of the least of these my brethren, ye have done it to me.

John 20:17

Jesus says to her, Touch me not, for I have not yet ascended to my Father; but go to my brethren and say to them, I ascend to my Father and your Father, and to my God and your God.

Hebrews 13:12

Wherefore also Jesus, that he might sanctify the people by his own blood, suffered without the gate:

Matthew 28:10

Then Jesus says to them, Fear not; go, bring word to my brethren that they go into Galilee, and there they shall see me.

Hebrews 10:14

For by one offering he has perfected in perpetuity the sanctified.

Matthew 12:48-50

But he answering said to him that spoke to him, Who is my mother, and who are my brethren?

Mark 8:38

For whosoever shall be ashamed of me and of my words in this adulterous and sinful generation, of him shall the Son of man also be ashamed when he shall come in the glory of his Father with the holy angels.

Luke 9:26

For whosoever shall have been ashamed of me and of my words, of him will the Son of man be ashamed when he shall come in his glory, and in that of the Father, and of the holy angels.

John 17:19

and I sanctify myself for them, that they also may be sanctified by truth.

John 17:21

that they may be all one, as thou, Father, art in me, and I in thee, that they also may be one in us, that the world may believe that thou hast sent me.

Acts 17:26

and has made of one blood every nation of men to dwell upon the whole face of the earth, having determined ordained times and the boundaries of their dwelling,

Acts 17:28

for in him we live and move and exist; as also some of the poets amongst you have said, For we are also his offspring.

Romans 8:29

Because whom he has foreknown, he has also predestinated to be conformed to the image of his Son, so that he should be the firstborn among many brethren.

Galatians 4:4

but when the fulness of the time was come, God sent forth his Son, come of woman, come under law,

Hebrews 2:14

Since therefore the children partake of blood and flesh, he also, in like manner, took part in the same, that through death he might annul him who has the might of death, that is, the devil;

Hebrews 11:16

but now they seek a better, that is, a heavenly; wherefore God is not ashamed of them, to be called their God; for he has prepared for them a city.

Treasury of Scripture Knowledge

Summary

For both he that sanctifieth and they who are sanctified are all of one: for which cause he is not ashamed to call them brethren,

Bible References

He that

Hebrews 10:10
by which will we have been sanctified through the offering of the body of Jesus Christ once for all.
Hebrews 13:12
Wherefore also Jesus, that he might sanctify the people by his own blood, suffered without the gate:
John 17:19
and I sanctify myself for them, that they also may be sanctified by truth.

All

Hebrews 2:14
Since therefore the children partake of blood and flesh, he also, in like manner, took part in the same, that through death he might annul him who has the might of death, that is, the devil;
John 17:21
that they may be all one, as thou, Father, art in me, and I in thee, that they also may be one in us, that the world may believe that thou hast sent me.
Acts 17:26
and has made of one blood every nation of men to dwell upon the whole face of the earth, having determined ordained times and the boundaries of their dwelling,
Galatians 4:4
but when the fulness of the time was come, God sent forth his Son, come of woman, come under law,

He is

Hebrews 11:16
but now they seek a better, that is, a heavenly; wherefore God is not ashamed of them, to be called their God; for he has prepared for them a city.
Mark 8:38
For whosoever shall be ashamed of me and of my words in this adulterous and sinful generation, of him shall the Son of man also be ashamed when he shall come in the glory of his Father with the holy angels.
Luke 9:26
For whosoever shall have been ashamed of me and of my words, of him will the Son of man be ashamed when he shall come in his glory, and in that of the Father, and of the holy angels.

To call

Matthew 12:48
But he answering said to him that spoke to him, Who is my mother, and who are my brethren?
Matthew 25:40
And the King answering shall say to them, Verily, I say to you, Inasmuch as ye have done it to one of the least of these my brethren, ye have done it to me.
Matthew 28:10
Then Jesus says to them, Fear not; go, bring word to my brethren that they go into Galilee, and there they shall see me.
John 20:17
Jesus says to her, Touch me not, for I have not yet ascended to my Father; but go to my brethren and say to them, I ascend to my Father and your Father, and to my God and your God.
Romans 8:29
Because whom he has foreknown, he has also predestinated to be conformed to the image of his Son, so that he should be the firstborn among many brethren.

General references

Genesis 46:31
And Joseph said to his brethren and to his father's house, I will go up, and tell Pharaoh, and say to him, My brethren and my father's house, who were in the land of Canaan, are come to me;
Leviticus 16:18
And he shall go out unto the altar which is before Jehovah, and make atonement for it; and shall take of the blood of the bullock, and of the goat, and put it upon the horns of the altar round about;
Leviticus 25:48
after that he is sold there shall be right of redemption for him; one of his brethren may redeem him.
Proverbs 17:17
The friend loveth at all times, and a brother is born for adversity.
Galatians 3:26
for ye are all God's sons by faith in Christ Jesus.