Celebrity offspring trying to make it big SAN FRANCISCO CHRONICLE Copyright 2012 SAN FRANCISCO CHRONICLE. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Published 08:28 p.m., Monday, April 9, 2012 Did you hear the one about the Beatles' sons forming a band? In a recent interview with the BBC, James McCartney, son of Paul McCartney, said he'd like to get a band together with other Beatles offspring, record an album and tour. The kids — Sean Lennon, John Lennon's youngest son; Dhani Harrison, George Harrison's only child; and Zak Starkey, one of Ringo Starr's kids — are all established musicians.