The Skywalker family is a fictional legendary human family in the Star Wars franchise. Within the series' fictional universe, the Skywalkers are presented as a bloodline with strong inherent capabilities related to the Force and sometimes lightsaber skills. Luke Skywalker, his twin sister Princess Leia Organa, and their father Darth Vader are central characters in the original Star Wars film trilogy.
https://en.wikipedia.org/wiki/Skywalker_family