The birth of Kaoru Hirai

Kaoru Hirai was born on April 15, 1912 in Alameda County, California.

His father's last name is Hirai, and his mother's maiden name is Hisano. If Kaoru is still alive, he's now years old.

His potential siblings include Mitsuru (born 1918), Minoru (born 1914) and Harue (born 1916).