Mengambil router dari json (react js)

    const item =[
      {
       label:"Home",
       link:"/"
      },
      {
       label:"Profile",
       link:"Profile"
      },
      {
       label:"React",
       link:"React",
       chidren:[
         {
            label:"native",
            link:'/native'
         },
         {
            label:"js",
            link:'/js'
         }
       ]
      },
      ]

        <ul className="list-menu">
          {
            item.map(item => (
              <li key={item.id++} id={item.id} className="listed-menu">
                <a href={item.link}>{item.label}</a>
                  <ul>
                   </ul>
              </li>
            ))
          }

        </ul>

bagaimana cara mengambil chidren supaya element ul setelah a bisa mengambil data chidren