United Kingdom, June 16 -- Sir Ringo Starr's son Zak Starkey has insisted he isn't as wealthy as the other children of the Beatles.

The drummer, 59, is the eldest of Ringo's three children with ex-wife Maureen Cox and he's adamant he doesn't have the same kind of wealth as the other Beatles offspring - including Sir Paul McCartney's son James - because they inherited money from their parents while Zak's mom died penniless in 1994.

He told the Telegraph newspaper: "[The others have] loads of money because their dads are dead. James' mum [Linda McCartney] is dead. Left him a lot of money.

"[But] my mum died skint with a whole desk-full of brown envelopes that she never opened because she spent all her money on her friends."

Zak - who re...