'Brother' in the Bible

And [as he] was passing by along the Sea of Galilee, he saw Simon and Andrew, Simon's brother, casting [a net] into the sea (for they were fishermen).

And going on a little [farther], he saw James the [son] of Zebedee and his brother John, and they [were] in the boat mending the nets.

and James the [son] of Zebedee and John the brother of James (and he gave to them the name Boanerges, that is, "Sons of Thunder"),

For whoever does the will of God, this person is my brother and sister and mother."

And he did not allow anyone to follow along with him except Peter and James and John, the brother of James.

Is not this the carpenter, the son of Mary and brother of James and Joses and Judas and Simon? And are not his sisters here with us?" And they were offended by him.

For Herod himself had sent [and] arrested John and bound him in prison because of Herodias, the wife of Philip his brother, because he had married her.

"Teacher, Moses wrote for us that if someone's brother dies and he leaves behind a wife and does not leave a child, that his brother should take the wife and {father} descendants for his brother.

And brother will hand over brother to death, and a father [his] child, and children will rise up against parents and have them put to death.