John Lennon akaberekwa musi wa9 Gumiguru 1940 paLiverpool Maternity Hospital, kuna Julia (akaberekwa naStanley) (1914<unk>1958) naAlfred Lennon (1912<unk>1976). Zvisinei, Alfred John Lennon aiva mutengesi wengarava wedzinza reIrish uyo akanga asipo panguva yekuzvarwa kwemwanakomana wake. Vabereki vake vakamutumidza kuti John Winston Lennon mushure mekunge sekuru vake baba, John "Jack" Lennon, uye Prime Minister Winston Churchill. Baba vake vaiwanzobva pamba asi vaitumira macheki ekubhadhara nguva dzose ku9 Newcastle Road, Liverpool, uko Lennon aigara naamai vake; macheki akamira paakaenda asina kuenda pasina zororo muna Kukadzi 1944. Paakazodzoka kumba mwedzi mitanhatu gare gare, akazvipira kutarisira mhuri, asi Julia, uyo akazova nepamuviri nemumwe murume, akaramba pfungwa yacho. Mushure mekunge hanzvadzi yake yakanyunyuta kuLiverpool's Social Services, John Lennon akapa vabereki vake kuchengetwa kwaJohn Lennon.
baba vake