John "Jack" Gledhill Barraclough

Looking for the ancestors of my late Grandfather John "Jack" Gledhill Barraclough
Born:3 February 1923 and
Died:5 October 2009 Richmond Hill, York, Ontario, Canada.
He was Married to Marjorie Ilene Denning
Born:15 June 1924 and
Died:14 December 2011 Richmond Hill, York, Ontario, Canada

I have no information on any relatives before his and both my father and Uncle are dead.

Thanks in advance!