Jabir bin Abdullah reported,

We used to sell mothers of children during the time of the Messenger of Allah ﷺ and Abu Bakr. When Umar came to power, he forbade their sale.

Azami 6160

Sahih

عن جابر بن عبد الله قال

كنا نبيع أمهات الأولاد على عهد رسول الله ﷺ، وأبي بكر، فلما كان عمر نهي عن بيعهن.

الأعظمي 6160صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Emancipation of slaves
Section
Umar bin Khattab was the one who forbade the sale of mothers of children
Numbering
Jami al-Kamil 6160 (2nd edition)
Azami 6160