Bukhari :: Book 7 :: Volume 63 :: Hadith 205

Narrated Ibn 'Abbas:

Barira's husband was a black slave called Mughith, the slave of Bani so-and-so-- as if I am seeing him now, walking behind her along the streets of Medina.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star