I is the brother of K. H is the wife of I. J is the mother of L. K is the brother of J. How K is related to L?

Maternal Uncle

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".

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