Sayyidah Umm al-Hakam (may Allah be pleased with her) narrated that she went to the Messenger of Allah (peace and blessings be upon him) and asked him (peace and blessings be upon him) to give them a servant, and the Messenger of Allah (peace and blessings be upon him) had just returned from his journey and had obtained some slaves. The Messenger of Allah (peace and blessings be upon him) said: "The orphans of the people of Badr have come before you."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21884