The birth of Mitsuo Hirooka

Mitsuo Hirooka was born on April 4, 1921 in Sonoma County, California.

His father's last name is Hirooka, and his mother's maiden name is Matsumot. If Mitsuo is still alive, he's now years old.

His potential siblings include Shizuko (born 1907), Yoshio (born 1918) and Momoye (born 1915).