The birth of Gwen Koyama

Gwen K Koyama was born on July 9, 1959 in Sacramento County, California.

Her father's last name is Koyama, and her mother's maiden name is Tsujita. If Gwen is still alive, she's now years old.

Her potential siblings include Kenneth (born 1953), Craig (born 1960) and Dean (born 1957).