Person

Abū Quḥāfa ʿUthmān ibn ʿĀmir

أبو قحافة عثمان بن عامر

Abū Quḥāfa

540 CE – 635 CE(aged ~95) Banū Taym

Father of Abū Bakr al-Ṣiddīq. Accepted Islam at the Conquest of Mecca (8 AH) at very advanced age. The unique case where four generations were Muslim companions: Abū Quḥāfa, his son Abū Bakr, his grandson ʿAbd al-Raḥmān ibn Abī Bakr, and his great-grandson Abū ʿAtīq Muhammad ibn ʿAbd al-Raḥmān.

Significance

Father of Abū Bakr al-Ṣiddīq. Accepted Islam at the Conquest of Mecca (8 AH) at very advanced age. The unique case where four generations were Muslim companions: Abū Quḥāfa, his son Abū Bakr, his grandson ʿAbd al-Raḥmān ibn Abī Bakr, and his great-grandson Abū ʿAtīq Muhammad ibn ʿAbd al-Raḥmān.
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.