Ryu Ota was born in 1930.
Ota Sklenčka died in 1993.
Ota Benga died in 1916.
Masamitsu Ota died in 1975.
Ota Čermák died in 1963.
Ota Bubeníček died in 1962.
Ota Šik died in 2004.
Ota Koval died in 1991.
Shin Ryu died in 1680.
Ryu Mitsuse died in 1999.
Ju Jeung-ryu died in 1980.
Ryu Umemoto died on 2011-08-17.