'Brother's' in the Bible
Yahweh said to Cain, "Where is Abel, your brother?" He said, "I don't know. Am I my brother's keeper?"
Yahweh said, "What have you done? The voice of your brother's blood cries to me from the ground.
Now you are cursed because of the ground, which has opened its mouth to receive your brother's blood from your hand.
His brother's name was Jubal, who was the father of all who handle the harp and pipe.
To Eber were born two sons. The name of the one was Peleg, for in his days the earth was divided. His brother's name was Joktan.
Abram took Sarai his wife, Lot his brother's son, all their substance that they had gathered, and the souls whom they had gotten in Haran, and they went forth to go into the land of Canaan. Into the land of Canaan they came.
They took Lot, Abram's brother's son, who lived in Sodom, and his goods, and departed.
I bowed my head, and worshiped Yahweh, and blessed Yahweh, the God of my master Abraham, who had led me in the right way to take my master's brother's daughter for his son.
Stay with him a few days, until your brother's fury turns away;
until your brother's anger turn away from you, and he forgets what you have done to him. Then I will send, and get you from there. Why should I be bereaved of you both in one day?"
Judah said to Onan, "Go in to your brother's wife, and perform the duty of a husband's brother to her, and raise up seed to your brother."
Onan knew that the seed wouldn't be his; and it happened, when he went in to his brother's wife, that he spilled it on the ground, lest he should give seed to his brother.
"'You shall not uncover the nakedness of your brother's wife: it is your brother's nakedness.
"'If a man takes his brother's wife, it is an impurity: he has uncovered his brother's nakedness; they shall be childless.
The officers shall speak further to the people, and they shall say, "What man is there who is fearful and fainthearted? Let him go and return to his house, lest his brother's heart melt as his heart."
You shall not see your brother's ox or his sheep go astray, and hide yourself from them: you shall surely bring them again to your brother.
So you shall do with his donkey; and so you shall do with his garment; and so you shall do with every lost thing of your brother's, which he has lost, and you have found: you may not hide yourself.
You shall not see your brother's donkey or his ox fallen down by the way, and hide yourself from them: you shall surely help him to lift them up again.
If the man doesn't want to take his brother's wife, then his brother's wife shall go up to the gate to the elders, and say, "My husband's brother refuses to raise up to his brother a name in Israel; he will not perform the duty of a husband's brother to me."
then his brother's wife shall come to him in the presence of the elders, and loose his shoe from off his foot, and spit in his face; and she shall answer and say, "So shall it be done to the man who does not build up his brother's house."
He said, "You know that the kingdom was mine, and that all Israel set their faces on me, that I should reign. However the kingdom is turned around, and has become my brother's; for it was his from Yahweh.
To Eber were born two sons: the name of the one was Peleg; for in his days the earth was divided; and his brother's name was Joktan.
It fell on a day when his sons and his daughters were eating and drinking wine in their eldest brother's house,
While he was still speaking, there came also another, and said, "Your sons and your daughters were eating and drinking wine in their eldest brother's house,
Don't forsake your friend and your father's friend. Don't go to your brother's house in the day of your disaster: better is a neighbor who is near than a distant brother.
Why do you see the speck that is in your brother's eye, but don't consider the beam that is in your own eye?
You hypocrite! First remove the beam out of your own eye, and then you can see clearly to remove the speck out of your brother's eye.
For John said to Herod, "It is not lawful for you to have your brother's wife."
but Herod the tetrarch, being reproved by him for Herodias, his brother's wife, and for all the evil things which Herod had done,
Why do you see the speck of chaff that is in your brother's eye, but don't consider the beam that is in your own eye?
Or how can you tell your brother, 'Brother, let me remove the speck of chaff that is in your eye,' when you yourself don't see the beam that is in your own eye? You hypocrite! First remove the beam from your own eye, and then you can see clearly to remove the speck of chaff that is in your brother's eye.
Therefore let's not judge one another any more, but judge this rather, that no man put a stumbling block in his brother's way, or an occasion for falling.
unlike Cain, who was of the evil one, and killed his brother. Why did he kill him? Because his works were evil, and his brother's righteous.