[ family => { name => 'Kawasaki' },
  [
    [father => {} => 'Yasushisa' ],
    [mother => {} => 'Chizuko' ],
    [children
        [
          [girl => {} => 'Shiori'],
          [boy  => {} => 'Yasuke'],
          [boy  => {} => 'Kairi']
        ]
     ]
   ]
]