wikidata-lang/mappings/iso_639_6_code_by_wm_code.multiple_values.json

A database of languages and their Wikidata id, Wikimedia language code, ISO 639-1, ISO 639-2, ISO 639-3, ISO 639-6 codes

{
  "yue": [
    "guzh",
    "yyef"
  ],
  "zh-yue": [
    "guzh",
    "yyef"
  ]
}