| (subclass MississippiValleyLanguage CentralSiouanLanguage) | Languages.kif 12711-12711 | Mississippi valley language is a subclass of central siouan language |
| (subclass ChiwereLanguage MississippiValleyLanguage) | Languages.kif 12717-12717 | Chiwere language is a subclass of mississippi valley language |
| (subclass DakotaGroupLanguage MississippiValleyLanguage) | Languages.kif 12738-12738 | Dakota group language is a subclass of mississippi valley language |
| (subclass DhegihaLanguage MississippiValleyLanguage) | Languages.kif 12812-12812 | Dhegiha language is a subclass of mississippi valley language |
| (subclass WinnebagoLanguage MississippiValleyLanguage) | Languages.kif 12863-12863 | Winnebago language is a subclass of mississippi valley language |
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