Volume 6, Book 60, Number 439:
Narrated Ibn Abbas:
(regarding the Verse):– ‘Cruel after all that, base-born (of illegitimate birth).’ (68.13) It was re –
vealed in connection with a man from Quaraish who had a notable sign (Zanamah) similar to the
notable sign which usually-hung on the neck of a sheep (to recognize it).