"manno barn" meaning in Old Saxon

{
  "etymology_templates": [
    {
      "args": {
        "1": "osx",
        "2": "mann",
        "3": "barn"
      },
      "expansion": "mann + barn",
      "name": "compound"
    },
    {
      "args": {
        "1": "osx",
        "2": "gmw-pro",
        "3": "*mannō barnu"
      },
      "expansion": "Proto-West Germanic *mannō barnu",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "manna bearn"
      },
      "expansion": "Old English manna bearn",
      "name": "cog"
    },
    {
      "args": {
        "1": "non",
        "2": "manna synir"
      },
      "expansion": "Old Norse manna synir",
      "name": "cog"
    }
  ],
  "etymology_text": "From mann + barn, possibly from a Proto-West Germanic *mannō barnu with cognate Old English manna bearn and a potential parallel in Old Norse manna synir.",
  "forms": [
    {
      "form": "mannō barn",
      "tags": [
        "canonical",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osx",
        "2": "noun",
        "g": "n",
        "g2": "",
        "head": "mannō barn",
        "sort": ""
      },
      "expansion": "mannō barn n",
      "name": "head"
    },
    {
      "args": {
        "g": "n",
        "head": "mannō barn"
      },
      "expansion": "mannō barn n",
      "name": "osx-noun"
    }
  ],
  "lang": "Old Saxon",
  "lang_code": "osx",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Saxon entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Saxon pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "\"sons of heroes\""
      ],
      "id": "en-manno_barn-osx-noun-yHwxX1ho",
      "raw_glosses": [
        "(plural only) \"sons of heroes\""
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "manno barn"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "osx",
        "2": "mann",
        "3": "barn"
      },
      "expansion": "mann + barn",
      "name": "compound"
    },
    {
      "args": {
        "1": "osx",
        "2": "gmw-pro",
        "3": "*mannō barnu"
      },
      "expansion": "Proto-West Germanic *mannō barnu",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "manna bearn"
      },
      "expansion": "Old English manna bearn",
      "name": "cog"
    },
    {
      "args": {
        "1": "non",
        "2": "manna synir"
      },
      "expansion": "Old Norse manna synir",
      "name": "cog"
    }
  ],
  "etymology_text": "From mann + barn, possibly from a Proto-West Germanic *mannō barnu with cognate Old English manna bearn and a potential parallel in Old Norse manna synir.",
  "forms": [
    {
      "form": "mannō barn",
      "tags": [
        "canonical",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osx",
        "2": "noun",
        "g": "n",
        "g2": "",
        "head": "mannō barn",
        "sort": ""
      },
      "expansion": "mannō barn n",
      "name": "head"
    },
    {
      "args": {
        "g": "n",
        "head": "mannō barn"
      },
      "expansion": "mannō barn n",
      "name": "osx-noun"
    }
  ],
  "lang": "Old Saxon",
  "lang_code": "osx",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Old Saxon compound terms",
        "Old Saxon entries with incorrect language header",
        "Old Saxon lemmas",
        "Old Saxon multiword terms",
        "Old Saxon neuter nouns",
        "Old Saxon nouns",
        "Old Saxon pluralia tantum",
        "Old Saxon terms derived from Proto-West Germanic",
        "Old Saxon terms inherited from Proto-West Germanic",
        "Pages with 1 entry"
      ],
      "glosses": [
        "\"sons of heroes\""
      ],
      "raw_glosses": [
        "(plural only) \"sons of heroes\""
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "manno barn"
}