اللَّهُمَّ أَكْثِرْ مَالَهُ وَوَلَدَهُ وَبَارِكْ لَهُ فِيمَا أَعْطَيْتَهُ
Allahumma akthir malahu wa waladahu wa barik lahu fima a'taytahu
O Allah, augmente ses biens et ses enfants, et bénis-le dans ce que Tu lui as donné.
The Prophet made this dua for Anas (RA)
Anas (RA) became one of the wealthiest Companions with many children and grandchildren due to this blessed dua.