B and D are cousin brothers. A is the father of B and the uncle of C, who is the sister of D. C’s mother is married to E, who is the brother of A. How is B related to C’s father?

Nephew

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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