| Name | Johnson Adelbert Mathewson |
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| Sex | male |
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| Birth Date | May 1, 1949 |
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| Death Date | April 19, 1980 |
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| Age at Death | 30 years, 11 months, 18 days old |
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| Birth Place | California |
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| Death Place | Nevada County, California |
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| Mother's Maiden Name | Markson |
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| Social Security Number | 546-76-4374 |
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