Information for John Wilfred White late of Adamstown 1950s

Hi everyone 

I'm looking for some lost family member.

John Wilfred White lived in Adamstown up till his death  in 1959.

Its beleave  he fathered  up to 5 children  to his wife unknown.

John was born in June and works at Newcastle  train station.

Firstly  I'd love to know where they lived and to find his children.

Thanks in advance...  Tammie