وَإِنْ فَاتَكُمْ شَيْءٌ مِنْ أَزْوَاجِكُمْ إِلَى الْكُفَّارِ فَعَاقَبْتُمْ فَآتُوا الَّذِينَ ذَهَبَتْ أَزْوَاجُهُمْ مِثْلَ مَا أَنْفَقُوا ۚ وَاتَّقُوا اللَّهَ الَّذِي أَنْتُمْ بِهِ مُؤْمِنُونَ

Surah Al-Mumtahinah : 11
And if you have lost any of your wives to the disbelievers and you subsequently obtain [something], then give those whose wives have gone the equivalent of what they had spent. And fear Allah, in whom you are believers.

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