| Name | Takashi "Kosh" Koyama | |
| Birth | 10 May 1926 | Nampa, Canyon County, Idaho |
| Gender | Male | |
| Death | 21 Apr 2008 | Nampa, Canyon County, Idaho |
| Person ID | I2718 | CCBasic |
| Last Modified | 3 Jul 2023 | |
| Father | Sashichi Koyama d. Yes, date unknown | |
| Mother | Otsu Jasan d. Yes, date unknown | |
| Family ID | F921 | Group Sheet | Family Chart |
| Children |
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| Family ID | F920 | Group Sheet | Family Chart | ||
| Last Modified | 8 Jun 2018 | |||