code: private static Family findFamily(final FamC famc) {
          if (!famc.isSet()) {
              return new Family();
          }
          final Family foundFamily = (Family) famc.find(famc.getToString());
          if (foundFamily == null) {
              return new Family();
          }
          return foundFamily;
      }
docs: Get the family for this famc to build the navigator with.
  
  @param famc the famc
  @return the family