{
  "Betty Boop"    => { children => ["Jim Morris"], parents  => ["Rhonda Smith", "Louis McFern"], },
  "Betty Freeman" => { children => [], parents => ["Earl Freeman", "Harmony Ellis"] },
  "Bob Smith"     => { children => ["Sally Smith"], parents => [] },
  "Earl Freeman"  => { children => ["Betty Freeman"], parents => [] },
  "Harmony Ellis" => { children => ["Betty Freeman"], parents => [] },
  "Jim Morris"    => { children => [], parents => ["Betty Boop", "John Wayne"] },
  "John Wayne"    => { children => ["Jim Morris"], parents => [] },
  "Louis McFern"  => { children => ["Betty Boop"], parents => [] },
  "Rhonda Smith"  => { children => ["Sally Smith", "Betty Boop"], parents => [] },
  "Sally Smith"   => { children => [], parents => ["Bob Smith", "Rhonda Smith"] },
}