Sergey Minov and Daniel L. Schwartz (eds.), "Sibling of parent of" in last modified March 11, 2022, http://syriaca.org/keyword/sibling-of-parent-of
  
    
      
        Sibling of parent of
        
          
          
        
        
        http://syriaca.org/keyword/sibling-of-parent-of
        A relationship a person and the sibling of the parent of a person, used in aunt/uncle and neice/nephew situations.