(38) باب غَزْوَةُ خَيْبَرَ
Narrated `Abdul `Aziz bin Suhaib:
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."
Reference: Sahih al-Bukhari 4201
In-book reference: Book 64, Hadith 241
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 59, Hadith 513