Al-Haytham bin Adi narrates: The name of the mother of Sayyiduna Abu Bakr (may Allah be pleased with him) was Umm al-Khayr bint Sakhr bin Amir. When Sayyiduna Abu Bakr (may Allah be pleased with him) passed away, his parents became his heirs; both of them had accepted Islam. However, the mother of Sayyiduna Abu Bakr (may Allah be pleased with him) passed away before his father.
Imam al-Tabarani recorded this narration, and its chain is munqati' (broken).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 15415