code: def to_dict(self):
          
          
          self.logger.debug("Return the information as a dictionary")
          families = {}
          for family_id in self.families:
              family = []
              for individual_id in self.families[family_id].individuals:
                  individual = self.families[family_id].individuals[individual_id]
                  family.append(individual.to_json())
                  self.logger.debug("Adding individual {0} to family {1}".format(
                      individual_id, family_id
                  ))
              self.logger.debug("Adding family {0}".format(family_id))
              families[family_id] = family
          
          return families
docs: Return the information from the pedigree file as a dictionary.
          family id is key and a list with dictionarys for each individual 
          as value.
          
          Returns:
              families (dict): A dictionary with the families