Roy Masao KumasawaAge: 65 years1909–1975
- Name
- Roy Masao Kumasawa
- Given names
- Roy Masao
- Surname
- Kumasawa
 Birth | November 28, 1909 28 28 |
 Birth of a brother | George Yoshio Kumasawa September 8, 1912 (Age 2 years) |
| Birth of a brother | Hugh Sachio Kumasawa May 12, 1919 (Age 9 years) |
| Death of a brother | Frank Teruo Kumasawa February 23, 1932 (Age 22 years) |
| Death of a father | Charles Takashi Kumasawa July 29, 1946 (Age 36 years) |
| Death of a mother | Taka “Take” Kimeda February 26, 1960 (Age 50 years) |
 Death | April 12, 1975 (Age 65 years) |
 Burial | April 15, 1975 (3 days after death) |
| Family with parents |
| father |
Charles Takashi Kumasawa Birth: May 13, 1881 — Okayama, Okayama Shi, Okayama, Japan Death: July 29, 1946 — The Dalles, Wasco, Oregon, United States |
| mother |
Taka “Take” Kimeda Birth: May 26, 1881 — Tokyo, Japan Death: February 26, 1960 — Portland, Multnomah, Oregon, United States |
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Marriage: January 9, 1904 — Columbia, Washington, United States |
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2 years elder sister |
Ellen Shizuko Kumasawa Birth: about 1905 23 23 — Dayton, Columbia, Washington, United States Death: about 1905 — Dayton, Columbia, Washington, United States |
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21 months elder sister |
Yonaco “Yono” Kumasawa Birth: September 26, 1906 25 25 — Colfax, Whitman, Washington, United States Death: December 16, 1906 — Colfax, Whitman, Washington, United States |
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19 months elder brother |
Frank Teruo Kumasawa Birth: May 5, 1908 26 26 — Okayama, Japan Death: February 23, 1932 — Seattle, King, Washington, United States |
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19 months himself |
Roy Masao Kumasawa Birth: November 28, 1909 28 28 — Spokane, Spokane, Washington, United States Death: April 12, 1975 — Boise, Ada, Idaho, United States |
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3 years younger brother |
George Yoshio Kumasawa Birth: September 8, 1912 31 31 — Portland, Multnomah, Oregon, United States Death: December 26, 1976 — Boise, Ada, Idaho, United States |
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7 years younger brother |
Hugh Sachio Kumasawa Birth: May 12, 1919 37 37 — La Grande, Union, Oregon, United States Death: June 30, 1990 — Tokyo, Japan |