(subclass RyukyuanLanguage JapaneseGroupLanguage) | Languages.kif 11344-11344 | Ryukyuan language is a subclass of japanese group language |
(subclass AmamiOkinawanLanguage RyukyuanLanguage) | Languages.kif 11350-11350 | Amami okinawan language is a subclass of ryukyuan language |
(subclass SakishimaLanguage RyukyuanLanguage) | Languages.kif 11472-11472 | Sakishima language is a subclass of ryukyuan language |