X is the mother of A. Y is the sister of B’s father. R is the father of B. A and Z are sisters. B is the brother of Z. How is R related to X?

Husband

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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