| (subclass LanguageFamily NaturalLanguage) | Languages.kif 12647-12647 | Language family is a subclass of natural language |
| (subclass HmongMienLanguage LanguageFamily) | Languages.kif 6642-6642 | Hmong mien language is a subclass of language family |
| (subclass IndoEuropeanLanguage LanguageFamily) | Languages.kif 6710-6710 | Indo european language is a subclass of language family |
| (subclass IroquoianLanguage LanguageFamily) | Languages.kif 11122-11122 | Iroquoian language is a subclass of language family |
| (subclass SinoTibetanLanguage LanguageFamily) | Languages.kif 12654-12654 | Sino tibetan language is a subclass of language family |
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