'Brethren' in the Bible

And his brethren and his mother come, and standing without sent to him calling him.

And a crowd sat around him. And they said to him, Behold, thy mother and thy brethren seek thee without.

And he answered them, saying, Who is my mother or my brethren?

And looking around in a circuit at those that were sitting around him, he says, Behold my mother and my brethren:

Jesus answering said, Verily I say to you, There is no one who has left house, or brethren, or sisters, or father, or mother, or wife, or children, or lands, for my sake and for the sake of the gospel,

that shall not receive a hundredfold now in this time: houses, and brethren, and sisters, and mothers, and children, and lands, with persecutions, and in the coming age life eternal.

There were seven brethren; and the first took a wife, and dying did not leave seed;