Yahya bin Hamza bin Waqd يحيى بن حمزة بن واقد · The Chapters on Manumission (of Slaves)

“A man among us promised freedom to a slave after his death, and he did not have any property other than him (this slave). So the Prophet (ﷺ) sold him, and Ibn (Nahham), a man from Banu 'Adi, bought him.”