From Sahih Bukhari (Hadith 1497):
Narrated 'Abdullah bin Abu Aufa : Whenever a person came to the Prophet (ﷺ) with his alms, the Prophet (ﷺ) would say, "O Allah! Send your Blessings upon so and so." My father went to the Prophet (ﷺ) with his alms and the Prophet (ﷺ) said, "O Allah! Send your blessings upon the offspring of Abu Aufa
Reference: Bukhari 1497