'Brethren' in the Bible

And when thou art come thither, look out there Jehu the son of Jehoshaphat, son of Nimshi, and go in, and make him rise up from among his brethren, and bring him to an inner chamber;

Jehu found the brethren of Ahaziah king of Judah, and said, Who are ye? And they said, We are the brethren of Ahaziah; and have come down to salute the children of the king, and the children of the queen.

Nevertheless the priests of the high places came not up to the altar of Jehovah in Jerusalem, but they ate of the unleavened bread among their brethren.