New Revised Standard Version
who forsakes the partner of her youth and forgets her sacred covenant;

Contemporary English Version
who breaks her wedding vows and leaves the man she married when she was young.

New American Bible
One who forsakes the companion of her youth and forgets the covenant of her God;

Douay-Rheims Bible
And hath forgotten the covenant of her God: for her house inclineth unto death, and her paths to hell.

And hath forgotten the covenant of her God: for her house inclineth unto death, and her paths to hell.

the guide

Proverbs 5:18 Let her be thy dearest hind, and most agreeable fawn: let her breasts inebriate thee at all times: be thou delighted continually with her love.

Jeremiah 3:4 Therefore at the least from this time call to me: Thou art my father, the guide of my virginity:

forgetteth

Ezekiel 16:8,59,60 And I passed by thee, and saw thee: and behold thy time was the time of lovers: and I spread my garment over thee, and covered thy ignominy. and I swore to thee, and I entered into a covenant with thee, saith the Lord God: and thou becamest mine. . . .

Malachi 2:14-16 And you have said: For what cause? Because the Lord hath been witness between thee, and the wife of thy youth, whom thou hast despised: yet she was thy partner, and the wife of thy covenant. . . .