Simplify the following text for a Grade 7 native English-speaking person.
Original: In Greek mythology , Menelaus ( Ancient Greek : , Menelaos ) was a legendary king of Mycenaean ( pre-Dorian ) Sparta , the husband of Helen , and a central figure in the Trojan War .
Simplified: Menelaos ( or Latin Menelaus ) was a person in Greek mythology .