I presume this is his son - birth date and death
Name Peter Brazaukas
Event Type Death Registration
Registration Quarter Oct-Nov-Dec
Registration Year 1984
Registration District Hackney
County London
Event Place Hackney, London, England
Birth Date (available after June quarter 1969) 01 Feb 1906
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this looks like your Peter ??
Name Peter Brazukas
Event Type Death
Registration Quarter Apr-May-Jun
Registration Year 1931
Registration District Middlesbrough
County Yorkshire
Event Place Middlesbrough, Yorkshire, England
Age 50
Birth Year (Estimated) 1881
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it looks very likely his grandson born 1962 in Middlesborough may be alive - I can't name him as he is alive but look him up on
www.freebmd.org.uk - he marries in 1984 in County Cleveland ( Durham area )
good luck

added - just checked on Freebmd and there are 13 records for Brazukas........