San Leandro High School Alumni
San Leandro, California (CA)
In Memory of
Guillermo Billy Calderon
1980-2000
Born Jun 23, 1980, Guillermo Billy Calderon attended San Leandro High School in San Leandro, CA.
Class of 1999
Jun 23, 1980 - Jan 12, 2000
Jun 23, 1980 - Jan 12, 2000
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