From Sahih Bukhari (Hadith 6814):
Narrated Jabir bin `Abdullah Al-Ansari:A man from the tribe of Bani Aslam came to Allah's Messenger (ﷺ) and Informed him that he had committed illegal sexual intercourse and bore witness four times against himself. Allah's Messenger (ﷺ) ordered him to be stoned to death as he was a married Person
Reference: Bukhari 6814