Sergey Minov and Daniel L. Schwartz (eds.), "Grandparent of" in last modified March 11, 2022, http://syriaca.org/keyword/grandparent-of
  
    
      
        Grandparent of
        
          
          
        
        
        http://syriaca.org/keyword/grandparent-of
        The grandparent of a person.