as an example to those who are bent on denying the truth god cited the wife of noah and the wife of lot who were married to two of our righteous servants but who betrayed them. so they could not help them against god and they were told enter the fire along with all the others.
ضرب الله مثلا للذين كفروا امرأت نوح وامرأت لوط كانتا تحت عبدين من عبادنا صالحين فخانتاهما فلم يغنيا عنهما من الله شيئا وقيل ادخلا النار مع الداخلين