diff --git a/app/User.php b/app/User.php
index bfd96a6..2d916f8 100644
--- a/app/User.php
+++ b/app/User.php
@@ -15,7 +15,11 @@ class User extends Authenticatable
      * @var array
      */
     protected $fillable = [
-        'name', 'email', 'password',
+        'nickname', 'gender_id', 'name',
+        'email', 'password',
+        'address', 'phone',
+        'dof', 'dod',
+        'father_id', 'mother_id', 'parent_id',
     ];
 
     /**
@@ -26,4 +30,28 @@ class User extends Authenticatable
     protected $hidden = [
         'password', 'remember_token',
     ];
+
+    public function setFather(User $father)
+    {
+        if ($father->gender_id === 1) {
+            $this->father_id = $father->id;
+            $this->save();
+
+            return $father;
+        }
+
+        return false;
+    }
+
+    public function setMother(User $mother)
+    {
+        if ($mother->gender_id === 2) {
+            $this->mother_id = $mother->id;
+            $this->save();
+
+            return $mother;
+        }
+
+        return false;
+    }
 }
diff --git a/artisan b/artisan
old mode 100644
new mode 100755
diff --git a/database/factories/ModelFactory.php b/database/factories/ModelFactory.php
index 7926c79..8c3290a 100644
--- a/database/factories/ModelFactory.php
+++ b/database/factories/ModelFactory.php
@@ -1,5 +1,7 @@
 <?php
 
+use App\User;
+
 /*
 |--------------------------------------------------------------------------
 | Model Factories
@@ -12,13 +14,17 @@
 */
 
 /** @var \Illuminate\Database\Eloquent\Factory $factory */
-$factory->define(App\User::class, function (Faker\Generator $faker) {
-    static $password;
-
+$factory->define(User::class, function (Faker\Generator $faker) {
     return [
-        'name' => $faker->name,
-        'email' => $faker->unique()->safeEmail,
-        'password' => $password ?: $password = bcrypt('secret'),
-        'remember_token' => str_random(10),
+        'nickname' => $faker->name,
+        'gender_id' => rand(1, 2),
     ];
 });
+
+$factory->state(User::class, 'male', function (Faker\Generator $faker) {
+    return ['gender_id' => 1];
+});
+
+$factory->state(User::class, 'female', function (Faker\Generator $faker) {
+    return ['gender_id' => 2];
+});
\ No newline at end of file
diff --git a/database/migrations/2014_10_12_000000_create_users_table.php b/database/migrations/2014_10_12_000000_create_users_table.php
index 689cbee..1173cd0 100644
--- a/database/migrations/2014_10_12_000000_create_users_table.php
+++ b/database/migrations/2014_10_12_000000_create_users_table.php
@@ -15,9 +15,18 @@ class CreateUsersTable extends Migration
     {
         Schema::create('users', function (Blueprint $table) {
             $table->increments('id');
-            $table->string('name');
-            $table->string('email')->unique();
-            $table->string('password');
+            $table->string('nickname');
+            $table->string('name')->nullable();
+            $table->boolean('gender_id')->unsigned();
+            $table->unsignedInteger('father_id')->nullable();
+            $table->unsignedInteger('mother_id')->nullable();
+            $table->unsignedInteger('parent_id')->nullable();
+            $table->date('dof')->nullable();
+            $table->date('dod')->nullable();
+            $table->string('email')->unique()->nullable();
+            $table->string('password')->nullable();
+            $table->string('address')->nullable();
+            $table->string('phone')->nullable();
             $table->rememberToken();
             $table->timestamps();
         });
diff --git a/phpunit.xml b/phpunit.xml
index 9ecda83..f5f6354 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -27,5 +27,7 @@
         <env name="CACHE_DRIVER" value="array"/>
         <env name="SESSION_DRIVER" value="array"/>
         <env name="QUEUE_DRIVER" value="sync"/>
+        <env name="DB_CONNECTION" value="sqlite"/>
+        <env name="DB_DATABASE" value=":memory:"/>
     </php>
 </phpunit>
diff --git a/tests/Feature/ExampleTest.php b/tests/Feature/ExampleTest.php
deleted file mode 100644
index 486dc27..0000000
--- a/tests/Feature/ExampleTest.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use Tests\TestCase;
-use Illuminate\Foundation\Testing\WithoutMiddleware;
-use Illuminate\Foundation\Testing\DatabaseMigrations;
-use Illuminate\Foundation\Testing\DatabaseTransactions;
-
-class ExampleTest extends TestCase
-{
-    /**
-     * A basic test example.
-     *
-     * @return void
-     */
-    public function testBasicTest()
-    {
-        $response = $this->get('/');
-
-        $response->assertStatus(200);
-    }
-}
diff --git a/tests/Unit/ExampleTest.php b/tests/Unit/ExampleTest.php
deleted file mode 100644
index 5663bb4..0000000
--- a/tests/Unit/ExampleTest.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace Tests\Unit;
-
-use Tests\TestCase;
-use Illuminate\Foundation\Testing\DatabaseMigrations;
-use Illuminate\Foundation\Testing\DatabaseTransactions;
-
-class ExampleTest extends TestCase
-{
-    /**
-     * A basic test example.
-     *
-     * @return void
-     */
-    public function testBasicTest()
-    {
-        $this->assertTrue(true);
-    }
-}
diff --git a/tests/Unit/PersonRelationsTest.php b/tests/Unit/PersonRelationsTest.php
new file mode 100644
index 0000000..ca35120
--- /dev/null
+++ b/tests/Unit/PersonRelationsTest.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\User;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Tests\TestCase;
+
+class PersonRelationsTest extends TestCase
+{
+    use DatabaseMigrations;
+
+    /** @test */
+    public function create_user_model_with_factory()
+    {
+        $person = factory(User::class)->create();
+
+        $this->assertDatabaseHas('users', [
+            'nickname' => $person->nickname,
+            'gender_id' => $person->gender_id,
+        ]);
+    }
+
+    /** @test */
+    public function person_can_have_a_father()
+    {
+        $person = factory(User::class)->create();
+        $father = factory(User::class)->states('male')->create();
+        $person->setFather($father);
+
+        $this->assertDatabaseHas('users', [
+            'id' => $person->id,
+            'father_id' => $father->id,
+        ]);
+    }
+
+    /** @test */
+    public function person_can_have_a_mother()
+    {
+        $person = factory(User::class)->create();
+        $mother = factory(User::class)->states('female')->create();
+        $person->setMother($mother);
+
+        $this->assertDatabaseHas('users', [
+            'id' => $person->id,
+            'mother_id' => $mother->id,
+        ]);
+    }
+}