It was narrated from Ash'ath, from his father that a man from among Banu Tha'labah bin Yarbu' said: "We came to the Messenger of Allah when he was speaking to the people, and some people stood up and said: 'O Messenger of Allah, these are Banu Tha'labah who killed so and so.' The Messenger of Allah said: 'No soul is affected by the sin of another.'''