Bheja fry question

 This bheja fry question really is a brain teaser.

Question 

A    is    B's sister

C     is    B's   mother

D      is    C's    father

E      is      D's mother

Then how is                 A        related to            D ????

Answer 

C is mother of B. B  is also the sister of  A. 

That means A and B are siblings and C is their mother. 

D is C's father. That means D is the grand father of  A and B. 

We have got the answer   !!!! 

A           is       the         granddaughter /  grandson     of        D     !!!!