They appear on the 1911 census - look for John Smith born in Yarmouth.
In 1932, He, wife Eliza and sons Walter and John are at Elm Avenue, Cleethorpes.
Later, John gave his birth as 4th February 1906
I believe that John William married Eliza Jane Jackson in Grimsby District in 1900.
1901 Census :-
22, Bath Street, Grimsby, Great Grimsby, Lincolnshire
John Smith Head 24 1877 Fisherman Yarmouth, Norfolk
Eliza Smith Wife Married Female 22 1879 - Grimsby, Lincolnshire
Harriet Smith Sister Single 15 1886 - Grimsby, Lincolnshire
John G Ashton Adopted Child - 1 1900 - Grimsby, Lincolnshire
David