Sunan Abi Dawud
Hadith #2267
Narrated Aisha, Ummul Mu'minin: The Messenger of Allah (ﷺ) entered upon me. The version of Musaddad and Ibn as-Sarh has: one day looking pleased"". The version of Uthman has: ""The lines of his forehead were realised."" He said: O Aisha, are you not surprised to hear that Mujazziz al-Mudlaji saw that Zayd and Usamah had a rug over them concerning their heads and letting their feet appear. He said: These feet are related. Abu Dawud: Usamah was black and Zaid was white