Bubble Treemaps for Uncertainty Visualization

{
  "name": "Eve",
  "uncertainty": 7,
  "children": [
    {
      "name": "Cain",
      "uncertainty": 10,
      "size": 35
    },
    {
      "name": "Seth",
      "uncertainty": 5,
      "children": [
        {
          "name": "Marc",
          "size": 20,
          "uncertainty": 2,
          "children": [
            {
              "name": "A1",
              "size": 10,
              "uncertainty": 0
            },
            {
              "name": "A2",
              "size": 15,
              "uncertainty": 5
            },
            {
              "name": "A3",
              "size": 20,
              "uncertainty": 7
            }
          ]
        },
        {
          "name": "Janine",
          "size": 50,
          "uncertainty": 4,
          "children": [
            {
              "name": "B1",
              "size": 12,
              "uncertainty": 3
            },
            {
              "name": "B2",
              "size": 8,
              "uncertainty": 3
            },
            {
              "name": "B3",
              "size": 15,
              "uncertainty": 3
            }
          ]
        },
        {
          "name": "Luke",
          "size": 40,
          "uncertainty": 2,
          "children": [
            {
              "name": "C1",
              "size": 3,
              "uncertainty": 3
            },
            {
              "name": "C2",
              "size": 8,
              "uncertainty": 3
            },
            {
              "name": "C3",
              "size": 5,
              "uncertainty": 3
            }
          ]
        }
      ]
    },
    {
      "name": "Oli",
      "uncertainty": 3,
      "size": 30
    },
    {
      "name": "Awan",
      "uncertainty": 3,
      "children": [
        {
          "name": "David",
          "uncertainty": 5,
          "size": 76
        },
        {
          "name": "Peter",
          "uncertainty": 3,
          "size": 23
        }
      ]
    },
    {
      "name": "Horst",
      "uncertainty": 3,
      "size": 80
    }
  ]
}