Bulugh al-Maram, Book 4, Hadith 646 (In-Book)

’Abdul Muttalib bin Rabi’ah bin Al-Harith narrated that The Messenger of Allah said: “Indeed, Zakah ought not to be given to the family of Muhammad, it will be like giving them from the impurities of people.” In another narration, “It is not lawful for Muhammad or the family of Muhammad. Related by Muslim.

وَعَنْ عَبْدِ اَلْمُطَّلِبِ بْنِ رَبِيعَةَ بْنِ اَلْحَارِثِ ‏- رضى الله عنه ‏- قَالَ: قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ إِنَّ اَلصَّدَقَةَ لَا تَنْبَغِي لِآلِ مُحَمَّدٍ, إِنَّمَا هِيَ أَوْسَاخُ اَلنَّاسِ } 1‏.‏ وَفِي رِوَايَةٍ: { وَإِنَّهَا لَا تَحِلُّ لِمُحَمَّدٍ وَلَا آلِ مُحَمَّدٍ } رَوَاهُ مُسْلِمٌ 2‏.‏ ‏1 ‏- صحيح.‏ رواه مسلم ( 1072 )‏ ( 167 )‏، في حديث طويل.‏ ‏2 ‏- مسلم ( 2 / 754 / 168 )‏.‏

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also referenced under: Book 4, Hadith 667 (English)