Conversation so far:
What was a new hope?
Introduced in the 1977 film Star Wars (later dubbed Episode IV - A New Hope), the character represents the hero archetype of "the young man, called to adventure.
Was Luke in this production?
Luke Skywalker lives on a moisture farm on Tatooine with his Uncle Owen and Aunt Beru.
Does he have any children in the film?
CANNOTANSWER.

Question: Is this a sequel to episode 3?
Self-contained rewrite: Is the film Star Wars Episode IV - A New Hope a sequel to episode 3?