Deuteronomy 25:7

But if the man does not desire 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 establish a name for his brother in Israel; he is not willing to perform the duty of a husband’s brother to me.’

Ruth 4:1-2

Now Boaz went up to the gate and sat down there, and behold, the close relative of whom Boaz spoke was passing by, so he said, “Turn aside, friend, sit down here.” And he turned aside and sat down.

Ruth 4:5-6

Then Boaz said, “On the day you buy the field from the hand of Naomi, you must also acquire Ruth the Moabitess, the widow of the deceased, in order to raise up the name of the deceased on his inheritance.”

Treasury of Scripture Knowledge

Summary

And if the man like not to take his brother's wife, then let his brother's wife go up to the gate unto the elders, and say, My husband's brother refuseth to raise up unto his brother a name in Israel, he will not perform the duty of my husband's brother.

General references

Bible References

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Deuteronomy 21:19
then his father and mother shall seize him, and bring him out to the elders of his city at the gateway of his hometown.
Ruth 4:1
Now Boaz went up to the gate and sat down there, and behold, the close relative of whom Boaz spoke was passing by, so he said, “Turn aside, friend, sit down here.” And he turned aside and sat down.

General references

Genesis 38:8
Then Judah said to Onan, “Go in to your brother’s wife, and perform your duty as a brother-in-law to her, and raise up offspring for your brother.”
Luke 20:28
and they questioned Him, saying, “Teacher, Moses wrote for us that if a man’s brother dies, having a wife, and he is childless, his brother should marry the wife and raise up children to his brother.