Age Of Aisha R.a.
ال الحسن بن صالح: »أدركت جارة لنا جدة، بنت إحدى وعشرين سنة )صحيح البخاري، ج 5، ص 562، دار البشائر الاسلامية( Hasan bin Sālih Rahimahullāh said: I came to know of my neighbor who became a grandmother at the age of twenty one. (Sahīh al-Bukhārī) This indicates that the woman must have been married when she was nine, gave birth when she was ten, and the same situation took place with her daughter. Shows it was a common thing