If you live in
Canada (or other
Commonwealth countries),
you may be elgible to apply for a UK Ancestry pass. This permit allows one to work in the
United Kingdom without a
visa or
work permit for up to 4 years if one of your
parents or
grandparents were born there.
The
paperwork requires basic
bank statements of self-sustenance, full length
birth certificate, and the original or notorised copy of the relatives birth certificate you plan to use.