John Charles Julian Lennon Born: April 1963 (age is a British musician. He is the only child of John Lennon and Cynthia Powell. The Beatles' manager, Brian Epstein, was his godfather. He has a younger half-brother, Sean Lennon. Julian Lennon, John Lennon Beatles, Beatles Band, The Beatles, Mike & The Mechanics, Leo Sayer, Robert Palmer, Peter Frampton, Half Brother