Birth John was born on December 28, 1900.
Death John died in August 1978 at 77 years old.

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John Ronczkowski (1900 - 1978) was born on December 28, 1900. He was born into the Ronczkowski family.

He died in August 1978 at 77 years of age.

John Ronczkowski's last known residence is at Chicago, Cook County, Illinois.

We find a death record for John Ronczkowski in the United States Social Security Master Death Index (SSDI). What is the SSDI?

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Ronczkowski family history
Last Known Residence
Chicago, Cook County, Illinois

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