The birth of Ryu Koga

Ryu Koga was born on March 18, 1931 in Los Angeles County, California.

His father's last name is Koga, and his mother's maiden name is Nomura. If Ryu is still alive, he's now ninety-four years old.

His potential siblings include Goro (born 1933), Shozo (born 1928) and Nobuaki (born 1927).