"чьих" meaning in Russian

{
  "forms": [
    {
      "form": "čʹix",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "pronoun form"
      },
      "expansion": "чьих • (čʹix)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "pron",
  "senses": [
    {
      "glosses": [
        "inflection of чей (čej):",
        "genitive/prepositional plural"
      ],
      "id": "en-чьих-ru-pron-tjHVBqSn",
      "links": [
        [
          "чей",
          "чей#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "plural",
        "prepositional"
      ]
    },
    {
      "categories": [
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "inflection of чей (čej):",
        "animate accusative plural"
      ],
      "id": "en-чьих-ru-pron-QHc-VbdF",
      "links": [
        [
          "чей",
          "чей#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "animate",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕjix]"
    }
  ],
  "word": "чьих"
}

{
  "categories": [
    "Russian 1-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian pronoun forms",
    "Russian terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "čʹix",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "pronoun form"
      },
      "expansion": "чьих • (čʹix)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "pron",
  "senses": [
    {
      "glosses": [
        "inflection of чей (čej):",
        "genitive/prepositional plural"
      ],
      "links": [
        [
          "чей",
          "чей#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "plural",
        "prepositional"
      ]
    },
    {
      "glosses": [
        "inflection of чей (čej):",
        "animate accusative plural"
      ],
      "links": [
        [
          "чей",
          "чей#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "animate",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕjix]"
    }
  ],
  "word": "чьих"
}