Are all the siblings of any Imam (a) also automatically considered to be from the Masoomeen due to their father being an Imam?

Ahl al-BaytInfallibility ('Ismah)
Are all the siblings of any Imam (a) also automatically considered to be from the Masoomeen due to their father being an Imam?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 year ago

Not at all. Only the Imam is Infallible and not all his sons or brothers.

Wassalam.