Jami` at-Tirmidhi 1405
جامع الترمذي#1405SahihNarrated Abu Hurairah:"When Allah granted His Messenger (ﷺ) victory over Makkah, he stood (to deliver an address) among the people. He thanked and praised Allah, then he said: 'And from whomever (one of his relatives) was killed, then he has two options to choose from: Either to pardon or that he be killed
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 ZaiSahih - Agreed Upon
In-book reference: 16:21