"-son" meaning in Middle English

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "-son"
          },
          "expansion": "English: -son",
          "name": "desc"
        }
      ],
      "text": "English: -son"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "sone>son",
        "id": "surname suffix"
      },
      "expansion": "",
      "name": "etymon"
    },
    {
      "args": {
        "1": "enm",
        "2": "gmq",
        "3": "-"
      },
      "expansion": "North Germanic",
      "name": "der"
    }
  ],
  "etymology_text": "From sone, Nordic/North Germanic patronyms of the form (name) + son.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "suffix"
      },
      "expansion": "-son",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "-son"
      ],
      "id": "en--son-enm-suffix-LxU23pqC",
      "links": [
        [
          "-son",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-son"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "suffix"
      },
      "expansion": "-son",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "suffix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "-isoun"
        }
      ],
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of -isoun"
      ],
      "id": "en--son-enm-suffix-eKkMfZ4i",
      "links": [
        [
          "-isoun",
          "-isoun#Middle_English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "word": "-son"
}

{
  "categories": [
    "Entries with collapsible category trees for nonexistent categories",
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English suffixes",
    "Middle English terms derived from North Germanic languages",
    "Middle English terms derived from Old English",
    "Middle English terms derived from Proto-Germanic",
    "Middle English terms derived from Proto-Indo-European",
    "Middle English terms derived from Proto-West Germanic",
    "Middle English terms inherited from Old English",
    "Middle English terms inherited from Proto-Germanic",
    "Middle English terms inherited from Proto-Indo-European",
    "Middle English terms inherited from Proto-West Germanic",
    "Pages using catfix",
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "-son"
          },
          "expansion": "English: -son",
          "name": "desc"
        }
      ],
      "text": "English: -son"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "enm",
        "2": "sone>son",
        "id": "surname suffix"
      },
      "expansion": "",
      "name": "etymon"
    },
    {
      "args": {
        "1": "enm",
        "2": "gmq",
        "3": "-"
      },
      "expansion": "North Germanic",
      "name": "der"
    }
  ],
  "etymology_text": "From sone, Nordic/North Germanic patronyms of the form (name) + son.",
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "suffix"
      },
      "expansion": "-son",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "-son"
      ],
      "links": [
        [
          "-son",
          "#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-son"
}

{
  "categories": [
    "Entries with collapsible category trees for nonexistent categories",
    "Middle English entries with incorrect language header",
    "Middle English lemmas",
    "Middle English suffixes",
    "Pages using catfix",
    "Pages with 6 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "suffix"
      },
      "expansion": "-son",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "suffix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "-isoun"
        }
      ],
      "glosses": [
        "Alternative form of -isoun"
      ],
      "links": [
        [
          "-isoun",
          "-isoun#Middle_English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "word": "-son"
}