IBNHIBBAN 4091:
from Anas —
Anas bin ‘Malik said “The Prophet ﷺ manumitted Safiyyah and made her manumission her dower.” (Using translation from Abū Dāʾūd 2054)
ابن حبّان ٤٠٩١:
عن انس —
أَنَّ النَّبِيَّ ﷺ «أَعْتَقَ صَفِيَّةَ وَجَعَلَ عِتْقَهَا صَدَاقَهَا»