صَحِيحُ مُسْلِمٍ
Sahih Muslim 1463 b
The Book of Suckling
It is permissible for a wife to give her turn to a co-wife
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عُقْبَةُ بْنُ خَالِدٍ، ح وَحَدَّثَنَا عَمْرٌو النَّاقِدُ، حَدَّثَنَا الأَسْوَدُ بْنُ عَامِرٍ، حَدَّثَنَا زُهَيْرٌ، ح وَحَدَّثَنَا مُجَاهِدُ بْنُ مُوسَى، حَدَّثَنَا يُونُسُ بْنُ مُحَمَّدٍ، حَدَّثَنَا شَرِيكٌ، كُلُّهُمْ عَنْ هِشَامٍ، بِهَذَا الإِسْنَادِ أَنَّ سَوْدَةَ، لَمَّا كَبِرَتْ . بِمَعْنَى حَدِيثِ جَرِيرٍ وَزَادَ فِي حَدِيثِ شَرِيكٍ قَالَتْ وَكَانَتْ أَوَّلَ امْرَأَةٍ تَزَوَّجَهَا بَعْدِي .
A hadith like this has been transmitted on the authority of Hisham with the same chain of narrators (and the words are): When Sauda became old (the rest of the hadith is the same) and in the narration of Sharik there is an addition (of these words:" She was the first woman whom he (Allah's Messenger (ﷺ) ) married after me."
Sahih Muslim, 1463 bSahihصحيح