She said:One day God's Messenger visited me looking pleased and asked if I was not surprised to hear that Mujazziz al-Mudlijl1 had entered, and seeing Usama and Zaid2 with a rug over them covering their heads and letting their feet appear, said, “These feet are related.” (Bukhari and Muslim.) 1. Members of the tribe of Mudlij were said to have a reputation for being able to trace relationship from physical features. 2. Usama was Zaid's son.
Hadith Referenceمشكوة المصابيح / كتاب النكاح / 3313
Hadith Gradingالألبانی:مُتَّفق عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (6771) و مسلم (1459/38)»