P is the brother of Q. R is the daughter of Q. S is the sister of P. Q is sister of S. T is the brother of R. Who is the uncle of T?

P

ATQ,

*********************************************************

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".

*********************************************************