John Lennon had two children, both sons: Julian Lennon and Sean Ono Lennon.

Quick Scoop

  • John Lennon was the father of 2 sons.
  • Their names are Julian Lennon (born 1963) and Sean Taro Ono Lennon (born 1975).
  • Julian’s mother is Cynthia Lennon; Sean’s mother is Yoko Ono.

A bit more context

  • Julian is John’s first child from his marriage to Cynthia, arriving in the middle of peak Beatlemania, which meant John was often on tour while Julian was growing up.
  • Sean is John’s younger son with Yoko Ono, born on John’s 35th birthday, and John famously stepped back from music for several years to spend more time at home with him.

Over the years, there have been occasional rumors about other possible children, but publicly and legally John Lennon is recognized as the father of two sons: Julian and Sean.

TL;DR: If you’re wondering “how many kids did John Lennon have” — the answer is 2, both of whom have gone on to careers in music themselves.

Information gathered from public forums or data available on the internet and portrayed here.