| The languages are grouped by the closest language family the language belongs. | The languages are grouped by the closest language family the language belongs. | ||||
| These language families are defined in | These language families are defined in | ||||
| [ISO 639-5](https://en.wikipedia.org/wiki/ISO_639-5). See also Wikipedia's | [ISO 639-5](https://en.wikipedia.org/wiki/ISO_639-5). See also Wikipedia's | ||||
| [List of language families] (https://en.wiktionary.org/wiki/Wiktionary:List_of_families) | |||||
| [List of language families](https://en.wiktionary.org/wiki/Wiktionary:List_of_families) | |||||
| for more details. | for more details. | ||||
| For example, the Celtic languages (Welsh, Irish Gaelic, Scottish Gaelic, etc.) | For example, the Celtic languages (Welsh, Irish Gaelic, Scottish Gaelic, etc.) |