heredofamilial
adjective
                                                                                                                            
                                                            her·e·do·fa·mil·ial
                    
                                                                                                              
                                                                                                                                  ˌher-ə-dō-fə-ˈmil-yəl  
                                                      
                                                          
            
                                
              
          
                                                      : tending to occur in more than one member of a family and suspected of having a genetic basis                                      
              
                             
a heredofamilial disease
                         
                
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  Merriam-Webster unabridged




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