Sunan an Nasai
4839
Sahih+2

It was narrated from Tariq and Muharibi that a manh said:"O Messenger of Allah, these are Banu Tha'labah who killed so and so during the Jahiliyyah: avenger us! He raised his arms until the whiteness of his armpits could be seen and said: "No mother's sin can affect her child," twice. (Shaih)

SahihAbu Ghuddah
SahihAl-Albani