Jami` at-Tirmidhi 85
جامع الترمذي#85SahihQais bin Talq bin Ali - [and he is] Al-Hanafi narrated from his father, that:the Prophet said: 'Is it other than a piece of his flesh?" Or: "part of him?
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 1:85