(Are) the Ummaahatul Momineen (Mothers of the Believers) part of Nabi (s)’s Ahlay Bait or not? What (do) the Ulama of Ahle Sunna wal Jama say about that?

Answer by Shaykh Gibril F Haddad:

Yes, the Mothers of the Believers are definitely part of the Ahl al- Bayt of the Prophet.

(Source: Sunni Path, http://qa.sunnipath.com/issue_view.asp?HD=7&ID=2773&CATE=1)