1 Samuel 1:6

Hannah’s rival provoked her bitterly, to irritate and embarrass her, because the Lord had left her childless.

You shall not marry a woman in addition to her sister as a rival while she is alive, to uncover her nakedness.

“For the despairing man there should be kindness from his friend;
So that he does not abandon (turn away from) the fear of the Almighty.

“He preys on the barren (childless) woman
And does no good for the widow.

Treasury of Scripture Knowledge

And her adversary also provoked her sore, for to make her fret, because the LORD had shut up her womb.

You shall not marry a woman in addition to her sister as a rival while she is alive, to uncover her nakedness.

“For the despairing man there should be kindness from his friend;
So that he does not abandon (turn away from) the fear of the Almighty.

for the Lord had securely closed the wombs of all [the women] in Abimelech’s household because of Sarah, Abraham’s wife.