render() {
  let data = {
    "name": "Root",
    "children": [{
      "name": "Santa Catarina",
      "children": [{
        "name": "Tromp"
      }, {
        "name": "Thompson"
      }, {
        "name": "Ryan"
      }]
    }, {
      "name": "Acre",
      "children": [{
        "name": "Dicki"
      }, {
        "name": "Armstrong"
      }, {
        "name": "Nitzsche"
      }]
    }]
  }

  let options = {
    margin: {
      top: 20,
      left: 50,
      right: 80,
      bottom: 20
    },
    width: 200,
    height: 200,
    fill: "#2980B9",
    stroke: "#3E90F0",
    r: 2,
    animate: {
      type: 'oneByOne',
      duration: 200,
      fillTransition: 3
    },
    label: {
      fontFamily: 'Arial',
      fontSize: 8,
      fontWeight: true,
      fill: '#34495E'
    }
  }

  return (
    <View>
      <Tree data={data} options={options}  />
    </View>
  )
}