Cognomen Ryokaku (Ryokaku ) , all over the world, is an extremely rare last name. Much more prevalently, Ryokaku is the forename as well as the last name.
Futakado, Mokaku, Morizumi, Morokado, Morosumi, Morozumi, Mozumi, 二角, and 守住
) , all over the world, is an extremely rare last name. Much more prevalently, Ryokaku is the forename as well as the last name.