He and his wife were killed when the Bonestar Pirates, trying to escape from Corellian authorities, lifted off while refueling lines were still attached to their ship. The resulting explosion threatened to destroy Gus Treta, but Jagged and Zena sacrificed themselves to limit the destruction to their depot.
Both his children Wedge and Syal became famous across the galaxy, his son as a squadron leader in the Rebel Alliance and later a general in the New Republic and his daughter as a famous holodrama star in the Galactic Empire.
His grandson Jagged Fel, future Emperor of the Fel Empire, was named after him.
During production of the 2005 film Star Wars: Episode III Revenge of the Sith, the final installment of the Star Wars prequel trilogy, Sang Jun Lee produced a piece of concept art which featured Wedge Antilles' father. Such idea wasn't included in the finished film, however.