diff --git a/src/Api.php b/src/Api.php
index 0ab3eb9..da9cdb3 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -94,6 +94,14 @@ class Api {
         return $this->groups($groupId);
     }
 
+    public function genders(): Collection {
+        return collect($this->http()->get(self::$url."/ica/rest/baseadmin/geschlecht")['data'])->map(function($gender) {
+            return Gender::fromNami($gender);
+        });
+    }
+
+    // -------------------------------------
+
     public function fees() {
         $response = $this->client->get("/ica/rest/namiBeitrag/beitragsartmgl/gruppierung/{$this->user->getNamiGroupId()}", [
             'cookies' => $this->cookie
@@ -118,13 +126,6 @@ class Api {
         return json_decode((string)$response->getBody());
     }
 
-    public function genders() {
-        $response = $this->client->get("/ica/rest/baseadmin/geschlecht", [
-            'cookies' => $this->cookie
-        ]);
-
-        return json_decode((string)$response->getBody());
-    }
 
     public function regions() {
         $response = $this->client->get("/ica/rest/baseadmin/region", [
diff --git a/src/Gender.php b/src/Gender.php
new file mode 100644
index 0000000..dab8b8b
--- /dev/null
+++ b/src/Gender.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Zoomyboy\LaravelNami;
+
+use Illuminate\Support\Arr;
+use Illuminate\Database\Eloquent\Model;
+
+class Gender extends Model implements Nullable {
+
+    protected $guarded = [];
+
+    public static function fromNami($item) {
+        $item = collect($item)
+            ->only(['descriptor', 'id'])
+            ->mapWithKeys(function($item,$key) {
+                if ($key == 'id') { return ['id' => $item]; }
+                return ['name' => $item];
+            })->toArray();
+
+        return (new self($item));
+    }
+
+    public function getNameAttribute() {
+        return ucfirst($this->attributes['name']);
+    }
+
+    public function getIsNullAttribute() {
+        return $this->attributes['name'] == 'keine Angabe';
+    }
+
+}
diff --git a/src/Nullable.php b/src/Nullable.php
new file mode 100644
index 0000000..f2eed24
--- /dev/null
+++ b/src/Nullable.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Zoomyboy\LaravelNami;
+
+interface Nullable {
+
+    public function getIsNullAttribute();
+
+}
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 72001a5..ddba1ef 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -39,4 +39,10 @@ class TestCase extends \Orchestra\Testbench\TestCase
         return file_get_contents(__DIR__.'/json/'.$file);
     }
 
+    public function fakeGenders() {
+        return [
+            'https://nami.dpsg.de/ica/rest/baseadmin/geschlecht' => Http::response($this->fakeJson('genders.json'), 200)
+        ];
+    }
+
 }
diff --git a/tests/Unit/PullGenderTest.php b/tests/Unit/PullGenderTest.php
new file mode 100644
index 0000000..585fd22
--- /dev/null
+++ b/tests/Unit/PullGenderTest.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Zoomyboy\LaravelNami\Tests\Unit;
+
+use Zoomyboy\LaravelNami\Nami;
+use Zoomyboy\LaravelNami\Tests\TestCase;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Config;
+use Zoomyboy\LaravelNami\NamiServiceProvider;
+use Zoomyboy\LaravelNami\LoginException;
+use Zoomyboy\LaravelNami\Group;
+
+class PullGenderTest extends TestCase
+{
+
+    public function test_get_all_genders() {
+        Http::fake(array_merge($this->login(), $this->fakeGenders()));
+
+        $this->setCredentials();
+
+        Nami::login();
+
+        $this->assertEquals([
+            23 => 'Keine Angabe',
+            19 => 'Männlich',
+            20 => 'Weiblich'
+        ], Nami::genders()->pluck('name', 'id')->toArray());
+
+        Http::assertSentCount(3);
+    }
+
+    public function test_a_gender_can_be_null() {
+        Http::fake(array_merge($this->login(), $this->fakeGenders()));
+
+        $this->setCredentials();
+
+        Nami::login();
+
+        $this->assertEquals([true, false, false], Nami::genders()->pluck('isNull')->toArray());
+
+        Http::assertSentCount(3);
+    }
+
+}
diff --git a/tests/Unit/PullMemberTest.php b/tests/Unit/PullMemberTest.php
index a6470c1..910f68a 100644
--- a/tests/Unit/PullMemberTest.php
+++ b/tests/Unit/PullMemberTest.php
@@ -33,6 +33,12 @@ class PullMemberTest extends TestCase
         ];
     }
 
+    public function relationProvider() {
+        return [
+            'firstname' => ['firstname', ['Max', 'Jane']],
+        ];
+    }
+
     /**
      * @dataProvider dataProvider
      */
@@ -78,4 +84,27 @@ class PullMemberTest extends TestCase
         Http::assertSentCount(6);
     }
 
+    /**
+     * @dataProvider relationProvider
+     */
+    public function test_set_relations($key, $values) {
+        Http::fake(array_merge($this->login(), [
+            'https://nami.dpsg.de/ica/rest/nami/gruppierungen/filtered-for-navigation/gruppierung/node/root' => Http::response($this->groupsResponse, 200),
+            'https://nami.dpsg.de/ica/rest/nami/mitglied/filtered-for-navigation/gruppierung/gruppierung/103/flist' => Http::response($this->fakeJson('member_overview.json'), 200),
+            'https://nami.dpsg.de/ica/rest/nami/mitglied/filtered-for-navigation/gruppierung/gruppierung/103/16' => Http::response($this->fakeJson('member-16.json'), 200),
+            'https://nami.dpsg.de/ica/rest/nami/mitglied/filtered-for-navigation/gruppierung/gruppierung/103/17' => Http::response($this->fakeJson('member-17.json'), 200)
+        ]));
+
+        $this->setCredentials();
+
+        Nami::login();
+
+        $this->assertEquals([
+            16 => $values[0],
+            17 => $values[1]
+        ], Nami::group(103)->members()->pluck($key, 'id')->toArray());
+
+        Http::assertSentCount(6);
+    }
+
 }
diff --git a/tests/json/genders.json b/tests/json/genders.json
new file mode 100644
index 0000000..f7b4a49
--- /dev/null
+++ b/tests/json/genders.json
@@ -0,0 +1,53 @@
+{
+    "success": true,
+    "data":
+    [
+        {
+            "descriptor": "keine Angabe",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.base.Geschlecht",
+            "id": 23
+        },
+        {
+            "descriptor": "männlich",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.base.Geschlecht",
+            "id": 19
+        },
+        {
+            "descriptor": "weiblich",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.base.Geschlecht",
+            "id": 20
+        }
+    ],
+    "responseType": "OK",
+    "totalEntries": 3,
+    "metaData":
+    {
+        "totalProperty": "totalEntries",
+        "root": "data",
+        "id": "id",
+        "fields":
+        [
+            {
+                "name": "id",
+                "header": null,
+                "hidden": false,
+                "width": 80
+            },
+            {
+                "name": "descriptor",
+                "header": null,
+                "hidden": false,
+                "flex": 3
+            },
+            {
+                "name": "name",
+                "header": null,
+                "hidden": false,
+                "flex": 3
+            }
+        ]
+    }
+}