Muwatta Malik 1113
موطأ مالك#1113Da'ifThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، أَنَّهُ قَالَ سُئِلَ زَيْدُ بْنُ ثَابِتٍ عَنْ رَجُلٍ، تَزَوَّجَ امْرَأَةً ثُمَّ فَارَقَهَا قَبْلَ أَنْ يُصِيبَهَا هَلْ تَحِلُّ لَهُ أُمُّهَا فَقَالَ زَيْدُ بْنُ ثَابِتٍ لاَ الأُمُّ مُبْهَمَةٌ لَيْسَ فِيهَا شَرْطٌ وَإِنَّمَا الشَّرْطُ فِي الرَّبَائِبِ .
Yahya related to me from Malik from Yahya ibn Said that Zayd ibn Thabit asked whether it was halal for a man who married a woman and then separated from her before he had cohabited with her, to marry her mother. Zayd ibn Thabit said, "No. The mother is prohibited unconditionally. There are conditions, however about foster-mothers
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 28:23