حَدَّثَنَا إِبْرَاهِيمُ بْنُ سَعِيدٍ الْجَوْهَرِيُّ، حَدَّثَنَا عَبْدُ الْوَهَّابِ بْنُ عَطَاءٍ، عَنْ ثَوْرِ بْنِ يَزِيدَ، عَنْ مَكْحُولٍ، عَنْ كُرَيْبٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم لِلْعَبَّاسِ ‏"‏ إِذَا كَانَ غَدَاةُ الاِثْنَيْنِ فَأْتِنِي أَنْتَ وَوَلَدُكَ حَتَّى أَدْعُوَ لَهُمْ بِدَعْوَةٍ يَنْفَعُكَ اللَّهُ بِهَا وَوَلَدَكَ ‏"‏ ‏.‏ فَغَدَا وَغَدَوْنَا مَعَهُ وَأَلْبَسَنَا كِسَاءً ثُمَّ قَالَ ‏"‏ اللَّهُمَّ اغْفِرْ لِلْعَبَّاسِ وَوَلَدِهِ مَغْفِرَةً ظَاهِرَةً وَبَاطِنَةً لاَ تُغَادِرُ ذَنْبًا اللَّهُمَّ احْفَظْهُ فِي وَلَدِهِ ‏"‏ ‏.‏ قَالَ هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ لاَ نَعْرِفُهُ إِلاَّ مِنْ هَذَا الْوَجْهِ ‏.‏

Narrated Ibn 'Abbas: "The Messenger of Allah (PBUH) said to Al-'Abbas: 'On the night of Monday, come to me, you and your offspring, so that I may supplicate for them with a supplication that Allah will benefit you and your children by.' So he went, and we went with at night, so he (PBUH) covered us in a Kisah (shawl), then said: 'O Allah, forgive Al-'Abbas and his offspring, for what is open and what is secret, with a forgiveness that does not leave any sins. O Allah! Take care of him concerning the affair of his offspring.'" Translation Not Available

Book Ref: Jamiya Tirmidhi Book 49 Hadith 3762
Web Ref:  Jamiya Tirmidhi Vol 1 Book 46 Hadith 3762