Sayyiduna Abdullah bin al-Zubayr (may Allah be pleased with them both) narrates: The Prophet (peace and blessings be upon him) gave the inheritance to the son of Zam'ah's slave woman, because he was born on the bed of Zam'ah. (Allamah al-Haythami says:) I say:
Nasa'i (may Allah have mercy on him) recorded this narration in abridged form.
Tabarani recorded it in al-Mu'jam al-Awsat, and its narrators are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الطلاق / 7857