Jami` at-Tirmidhi, Volume 6, Book 46, Hadith 3829 (DarusSalam) ⓘ
Narrated Anas bin Malik: from Umm Sulaim, that she said: "O Messenger of Allah, Anas bin Malik is your servant, supplicate to Allah for him." He said: "O Allah, increase his wealth and his children, and bless him in what You have given him."
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، قَالَ سَمِعْتُ قَتَادَةَ، يُحَدِّثُ عَنْ أَنَسِ بْنِ مَالِكٍ، عَنْ أُمِّ سُلَيْمٍ، أَنَّهَا قَالَتْ يَا رَسُولَ اللَّهِ أَنَسٌ خَادِمُكَ ادْعُ اللَّهَ لَهُ . قَالَ " اللَّهُمَّ أَكْثِرْ مَالَهُ وَوَلَدَهُ وَبَارِكْ لَهُ فِيمَا أَعْطَيْتَهُ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
also referenced under: Hadith 3829 (Reference) & Book 49, Hadith 4200 (In-Book)