Sayoko Yamaguchi died on August 14, 2007, in Tokyo, Japan of acute pneumonia.
Sayoko Kawauchi was born in 1978.
Sayoko Ohashi was born on 1985-05-20.
Sayoko Ninomiya was born on June 23, 1948, in Shizuoka, Japan.
Sayoko Hagiwara was born on December 1, 1962, in Tokyo, Japan.
Harukichi Yamaguchi was born in 1881.
Kayo Yamaguchi was born in 1899.
Shunichi Yamaguchi was born in 1950.
Yutaka Yamaguchi was born in 1940.
Yuki Yamaguchi was born in 1984.
Ryōta Yamaguchi was born in 1969.
Tsuyoshi Yamaguchi was born in 1954.