Q's Mother is Sister of P & Daughter of M | Puzzle with Answer

 

Q's mother is sister of P and daughter of M. 

S is daughter of P and sister of T.

How is M related to T?

This is a very tricky yet simple question related to family relationships. 

Hint: The easiest way to solve this puzzle is to draw the family tree and find the trelation.

ANSWER

M is Grandfather or Grandmother of T