Jaxon Bieber Wiki Age Profile | Contact details 2017 (Phone number, Instagram, Twitter, Facebook)-JAXON BIEBER is a 7 – Years old cute boy who is a half-brother of pop singer Justin Bieber. He was born on November 20, 2009, in Canada and he has a sister named Jazmyn. He was born to Justin Bieber’s father Jeremy and his second wife Erin. Jaxon rose to fame from his pictures which are posted on his Instagram account.