Sahih Muslim Book 8, Hadith Number 3439.

Chapter: Tracing of relationship from physical features.

‘Aisha (Allah be pleased with her) reported: Allah’s Messenger (May peace be upon him) visited me looking pleased as if his face was glistening and said: Did you see that Mujazziz cast a glance at Zaid b. Haritha and Usama b. Zaid, and (then) said: Some (of the features) of their feet are found in the others?