'Brethren' in the Bible

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

saying, I will declare thy name to my brethren; in the midst of the assembly will I sing thy praises.

Wherefore it behoved him in all things to be made like to his brethren, that he might be a merciful and faithful high priest in things relating to God, to make propitiation for the sins of the people;

Wherefore, holy brethren, partakers of the heavenly calling, consider the Apostle and High Priest of our confession, Jesus,

See, brethren, lest there be in any one of you a wicked heart of unbelief, in turning away from the living God.

And they indeed from among the sons of Levi, who receive the priesthood, have commandment to take tithes from the people according to the law, that is from their brethren, though these are come out of the loins of Abraham:

Having therefore, brethren, boldness for entering into the holy of holies by the blood of Jesus,

But I beseech you, brethren, bear the word of exhortation, for it is but in few words that I have written to you.