We consider this verse to have been revealed concerning Anas bin Nadr, "Among the believers are men who have been true to the covenant they made with Allah" [Ahzab 33:23].
نرى هذه الآية نزلت في أنس بن النضر {من المؤمنين رجال صدقوا ما عهدوا الله علية}.
Bukhari narrated it in tafsir (4783), from Muhammad bin Bashshar, who said, Muhammad bin Abdullah Ansari narrated to us, who said, my father narrated to me, from Thumamah, from Anas bin Malik, who said, and he related it.