There are six members, P, Q, R, S, T and U, in a family. T is the brother of P’s husband. U is the mother of T. Q is the daughter of S and P and the granddaughter of R. How is R related to T?

Father

ATQ,

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Please note:

  l   ⇒ Vertical line shown "generation gap".

 =  ⇒ Double lines shown "relation of spouse" 

—  ⇒ Horizontal line shown "relation in same generation other than spouse".

     ⇒ Rectangular box shown " Male".

     ⇒ Circular box shown " Female".

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