Easy. One of the first two swear allegiance (bayah) to the Prophet (S.A.W) among the Ansar (but it is also said that she was among the Muhajirs (Emigrants).
In the Name of Allah. O Allah, keep the shaytaan away from us and keep the shaytaan away from what You have blessed us with.
Note: *The Messenger of Allah [May the Peace and Blessings of Allah be upon him] said: whoever says this Dua and the wife was pregnant from that night, Shaytan will never be able to harm the child.
