relation.php

<?php
// create user
$user = new \App\User();

$user->name = 'teste';
$user->email = '[email protected]';
$user->password = bcrypt('teste');
$user->save();

// create voter for user 
$voter = new \App\Voter();
$voter->user_id = $user->id;
$voter->nickname = 'teste';
$voter->genre = 1; // 1 to masc or 0 to fem
$voter->birth = '2017-03-08';
$voter->observations = 'teste';
$voter->save();

// create education for voter
$education = $voter->education()->create(['education' => 'Superior completo']);

dd( $education );