Sergey Minov and Daniel L. Schwartz (eds.), "Child of sibling of" in last modified March 11, 2022, http://syriaca.org/keyword/child-of-sibling-of
  
    
      
        Child of sibling of
        
          
          
        
        
        http://syriaca.org/keyword/child-of-sibling-of
        The child of a sibling of a person, used for an aunt/uncle and neice/nephew relationships.