Leviticus 25:48

after that he is sold there shall be right of redemption for him; one of his brethren may redeem him.

Nehemiah 5:5

yet now our flesh is as the flesh of our brethren, our children as their children; and behold, we must bring into bondage our sons and our daughters to be servants, and some of our daughters are brought into bondage already; neither is it in the power of our hand to redeem them, for other men have our fields and our vineyards.

Leviticus 25:25

If thy brother grow poor, and sell of his possession, then shall his redeemer, his nearest relation, come and redeem that which his brother sold.

Leviticus 25:35

And if thy brother grow poor, and he be fallen into decay beside thee, then thou shalt relieve him, be he stranger or sojourner, that he may live beside thee.

Nehemiah 5:8

And I said to them, We, according to our ability, have redeemed our brethren the Jews, who were sold to the nations; and will ye even sell your brethren? or shall they be sold unto us? And they were silent and found no answer.

Galatians 4:4-5

but when the fulness of the time was come, God sent forth his Son, come of woman, come under law,

Hebrews 2:11-13

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

Treasury of Scripture Knowledge

Summary

After that he is sold he may be redeemed again; one of his brethren may redeem him:

Bible References

General references

Leviticus 25:25
If thy brother grow poor, and sell of his possession, then shall his redeemer, his nearest relation, come and redeem that which his brother sold.
Nehemiah 5:5
yet now our flesh is as the flesh of our brethren, our children as their children; and behold, we must bring into bondage our sons and our daughters to be servants, and some of our daughters are brought into bondage already; neither is it in the power of our hand to redeem them, for other men have our fields and our vineyards.
Galatians 4:4
but when the fulness of the time was come, God sent forth his Son, come of woman, come under law,
Hebrews 2:11
For both he that sanctifies and those sanctified are all of one; for which cause he is not ashamed to call them brethren,