Luke 18:3
"And there was a widow in that city; and she came unto him, saying, Avenge me of mine adversary."
Cross References (ranked by relevance)
Learn to do well; seek judgment, relieve the oppressed, judge the fatherless, plead for the widow.
They are waxen fat, they shine: yea, they overpass the deeds of the wicked: they judge not the cause, the cause of the fatherless, yet they prosper; and the right of the needy do they not judge.
Cursed be he that perverteth the judgment of the stranger, fatherless, and widow. And all the people shall say, Amen.
Thou hast sent widows away empty, and the arms of the fatherless have been broken.
The blessing of him that was ready to perish came upon me: and I caused the widow’s heart to sing for joy.