Sahih al-Bukhari #4201 · Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)

Sahih al-Bukhari'Abdul 'Aziz bin Suhaib
Sahih al-Bukhari · Book 64 · Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Sahih al-Bukhari · كتاب 64 · كتاب المغازي
Anas bin Malik said, "The Prophet (ﷺ) took Safiya as a captive. He manumitted her and married her." Thabit asked Anas, "What did he give her as Mahr (i.e. marriage gift)?" Anas replied. "Her Mahr was herself, for he manumitted her
حَدَّثَنَا آدَمُ، حَدَّثَنَا شُعْبَةُ، عَنْ عَبْدِ الْعَزِيزِ بْنِ صُهَيْبٍ، قَالَ سَمِعْتُ أَنَسَ بْنَ مَالِكٍ ـ رضى الله
عنه ـ يَقُولُ سَبَى النَّبِيُّ صلى الله عليه وسلم صَفِيَّةَ، فَأَعْتَقَهَا وَتَزَوَّجَهَا‏.‏ فَقَالَ ثَابِتٌ لأَنَسٍ مَا أَصْدَقَهَا قَالَ أَصْدَقَهَا نَفْسَهَا فَأَعْتَقَهَا‏.‏
Reference : Sahih al-Bukhari 4201In-book reference : Book 64, Hadith 241