Mark 12:19

Master, Moses wrote unto us, If a man's brother dies and leaves his wife behind him and leaves no children, that his brother should take his wife and raise up seed unto his brother.

Genesis 38:8

Then Judah said unto Onan, Go in unto thy brother's wife and marry her and raise up seed to thy brother.

Deuteronomy 25:5-10

When brethren dwell together and one of them dies and has no child, the wife of the dead shall not marry outside unto a stranger; her husband's brother shall go in unto her and take her to him to wife and perform the duty of a husband's brother unto her.

Ruth 1:11-13

And Naomi replied, Go back, my daughters; why must ye go with me? Do I have more sons in my womb that they may be your husbands?

Ruth 4:5

Then Boaz replied, The day that thou dost receive the field of the hand of Naomi, thou must also receive Ruth, the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.

Treasury of Scripture Knowledge

Summary

Master, Moses wrote unto us, If a man's brother die, and leave his wife behind him, and leave no children, that his brother should take his wife, and raise up seed unto his brother.

That

Bible References

If

Genesis 38:8
Then Judah said unto Onan, Go in unto thy brother's wife and marry her and raise up seed to thy brother.
Deuteronomy 25:5
When brethren dwell together and one of them dies and has no child, the wife of the dead shall not marry outside unto a stranger; her husband's brother shall go in unto her and take her to him to wife and perform the duty of a husband's brother unto her.
Ruth 4:5
Then Boaz replied, The day that thou dost receive the field of the hand of Naomi, thou must also receive Ruth, the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.

That

Ruth 1:11
And Naomi replied, Go back, my daughters; why must ye go with me? Do I have more sons in my womb that they may be your husbands?

General references

Leviticus 18:16
Thou shalt not uncover the nakedness of thy brother's wife; it is thy brother's nakedness.
Matthew 22:25
Now there were with us seven brothers, and the first, when he had married a wife, deceased, and, having no seed, left his wife unto his brother;
Luke 20:33
Therefore in the resurrection whose wife shall she be? for seven had her to wife.