Where does right brothers belonged to ... ? ...

Wilbur and Orville Wright were American inventors and pioneers of aviation. In 1903 the Wright brothers achieved the first powered, sustained and controlled airplane flight; they surpassed their own milestone two years later when they built and flew the first fully practical airplane.

They are themselves, and they don't belong to anyone, except themselves.

They are their own human. Think of this, who do you belong to? Yourself.