اللّهُـمَّ بارِكْ لَهُمْ فيما رَزَقْـتَهُم، وَاغْفِـرْ لَهُـمْ وَارْحَمْهُمْ
Allaahumma baarik lahum feemaa razaqtahum, waghfir lahum warhamhum.
O Allah , bless them in what You have provided for them , and forgive them and have mercy on them.
Reference: Muslim 3/1615.