'Brother' in the Bible

And Jesus, walking by the sea of Galilee, saw two brethren, Simon called Peter, and Andrew his brother, casting a net into the sea: for they were fishers.

And going on from thence, he saw other two brethren, James the son of Zebedee, and John his brother, in a ship with Zebedee their father, mending their nets; and he called them.

But I say unto you, That whosoever is angry with his brother without a cause shall be in danger of the judgment: and whosoever shall say to his brother, Raca, shall be in danger of the council: but whosoever shall say, Thou fool, shall be in danger of hell fire.

Therefore if thou bring thy gift to the altar, and there rememberest that thy brother hath ought against thee;

Leave there thy gift before the altar, and go thy way; first be reconciled to thy brother, and then come and offer thy gift.

But why lookest thou on the mote that is in the eye of thy brother, but observest not the beam that is in thine eye?

Or how wilt thou say to thy brother, Let me pull out the mote out of thine eye; and, behold, a beam is in thine own eye?

Hypocrite, cast out first the beam out of thine eye, and then thou wilt see clearly to cast out the mote out of the eye of thy brother.

Now the names of the twelve apostles are these; The first, Simon, who is called Peter, and Andrew his brother; James the son of Zebedee, and John his brother;

And the brother shall deliver up the brother to death, and the father the child: and the children shall rise up against their parents, and cause them to be put to death.

For whosoever shall do the will of my Father which is in heaven, the same is my brother, and sister, and mother.

For Herod had laid hold on John, and bound him, and put him in prison for Herodias' sake, his brother Philip's wife.

And after six days Jesus taketh Peter, James, and John his brother, and bringeth them up into an high mountain apart,

Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother.

Then came Peter to him, and said, Lord, how oft shall my brother sin against me, and I forgive him? till seven times?

So likewise shall my heavenly Father do also unto you, if ye from your hearts forgive not every one his brother their trespasses.

Saying, Master, Moses said, If a man die, having no children, his brother shall marry his wife, and raise up seed unto his brother.

Now there were with us seven brethren: and the first, when he had married a wife, deceased, and, having no issue, left his wife unto his brother:

The same thing happened with the second brother, and then the third, and finally with the rest of the brothers.