The man became Muslim and he has (i.e., is married to) two sisters
باب الرَّجُلِ يُسْلِمُ وَعِنْدَهُ أُخْتَانِ
Sunan Ibn Majah, Book of The Marriage(view book)
It was narrated that Dailami said:
“I came to the Messenger of Allah, and I was married to two sisters whom I had married during the Ignorance period. He said: 'When you go back, divorce one of them.' ”
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَبْدُ السَّلاَمِ بْنُ حَرْبٍ، عَنْ إِسْحَاقَ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي فَرْوَةَ، عَنْ أَبِي وَهْبٍ الْجَيْشَانِيِّ، عَنْ أَبِي خِرَاشٍ الرُّعَيْنِيِّ، عَنِ الدَّيْلَمِيِّ، قَالَ قَدِمْتُ عَلَى رَسُولِ اللَّهِ ﷺ وَعِنْدِي أُخْتَانِ تَزَوَّجْتُهُمَا فِي الْجَاهِلِيَّةِ . فَقَالَ " إِذَا رَجَعْتَ فَطَلِّقْ إِحْدَاهُمَا " .
Classification
Dahhak bin Fairuz Dailami narrated that his father said:
'I came to the Prophet and said: 'O Messenger of Allah! I have become Muslim and I am married to two sisters.' The Messenger of Allah said: 'Divorce whichever of them you want.' ”
حَدَّثَنَا يُونُسُ بْنُ عَبْدِ الأَعْلَى، حَدَّثَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي ابْنُ لَهِيعَةَ، عَنْ أَبِي وَهْبٍ الْجَيْشَانِيِّ، حَدَّثَهُ أَنَّهُ، سَمِعَ الضَّحَّاكَ بْنَ فَيْرُوزَ الدَّيْلَمِيَّ، يُحَدِّثُ عَنْ أَبِيهِ، قَالَ أَتَيْتُ النَّبِيَّ ﷺ فَقُلْتُ يَا رَسُولَ اللَّهِ إِنِّي أَسْلَمْتُ وَتَحْتِي أُخْتَانِ . قَالَ رَسُولُ اللَّهِ ﷺ لِي " طَلِّقْ أَيَّتَهُمَا شِئْتَ " .