| (subclass NorthernIroquoianLanguage IroquoianLanguage) | Languages.kif 11129-11129 | Northern iroquoian language is a subclass of iroquoian language |
| (subclass LaurentianLanguage NorthernIroquoianLanguage) | Languages.kif 11135-11135 | Laurentian language is a subclass of northern iroquoian language |
| (subclass FiveNationsLanguage NorthernIroquoianLanguage) | Languages.kif 11144-11144 | Five nations language is a subclass of northern iroquoian language |
| (subclass HuronLanguage NorthernIroquoianLanguage) | Languages.kif 11237-11237 | Huron language is a subclass of northern iroquoian language |
| (subclass TuscaroraNottowayLanguage NorthernIroquoianLanguage) | Languages.kif 11256-11256 | Tuscarora nottoway language is a subclass of northern iroquoian language |
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