diff --git a/src/admin/abstract/model.php b/src/admin/abstract/model.php
index f6470b9..c82635c 100644
--- a/src/admin/abstract/model.php
+++ b/src/admin/abstract/model.php
@@ -74,9 +74,13 @@ abstract class AbstractClubsModel
         
         $obj = new $className();
         $obj->loadData($row);
+        $obj->loadCustomData($row);
         return $obj;
     }
     
+    protected function loadCustomData($assoc)
+    {}
+    
     public function save()
     {
         if($this->id === 'new')
@@ -146,16 +150,15 @@ abstract class AbstractClubsModel
         $dbo->execute();
     }
     
-    protected function prepareDelete(){}
+    protected function prepareDelete($dbo){}
     
     public function delete()
     {
         if($this->id === 'new')
             return;
         
-        $this->prepareDelete();
-        
         $dbo = Factory::getDbo();
+        $this->prepareDelete($dbo);
         
         $q = $dbo->getQuery(true);
         $q->delete($this->getTableName())
diff --git a/src/admin/mymodels/club.php b/src/admin/mymodels/club.php
index dbbafff..c9492c6 100644
--- a/src/admin/mymodels/club.php
+++ b/src/admin/mymodels/club.php
@@ -1,11 +1,10 @@
 <?php
 
 // No direct access.
-use Joomla\CMS\Factory;
 
 defined('_JEXEC') or die;
 
-class ClubsClub
+class ClubsClub extends AbstractClubsModel
 {
     protected $id;
     protected $name;
@@ -16,7 +15,7 @@ class ClubsClub
     protected $iban;
     protected $bic;
     protected $charitable;
-    protected $presidentId;
+    protected $president;
     
     /**
      * @return string
@@ -79,7 +78,7 @@ class ClubsClub
      */
     public function getPresidentId()
     {
-        return $this->presidentId;
+        return $this->president->getId();
     }
     
     /**
@@ -87,7 +86,7 @@ class ClubsClub
      */
     public function getPresident()
     {
-        return ClubsUser::loadUser((int) $this->presidentId);
+        return $this->president;
     }
 
     /**
@@ -151,7 +150,7 @@ class ClubsClub
      */
     public function setPresidentId(int $presidentId)
     {
-        $this->presidentId = $presidentId;
+        $this->president = ClubsUser::loadUser($presidentId);
     }
     
     /**
@@ -159,15 +158,7 @@ class ClubsClub
      */
     public function setPresident(ClubsUser $user)
     {
-        $this->presidentId = $user->getId();
-    }
-
-    /**
-     * @return int
-     */
-    public function getId()
-    {
-        return $this->id;
+        $this->president = $user;
     }
 
     /**
@@ -185,136 +176,63 @@ class ClubsClub
     {
         $this->name = $name;
     }
-
-    protected function loadData(array $data)
+    
+    
+    
+    public static function loadClubs()
     {
-        $mapping = array('id', 'name', 'address', 'city', 'homepage', 'mail', 'iban', 'bic', 'charitable', 'presidentId');
-        
-        foreach($mapping as $m)
-            $this->$m = $data[$m];
+        return self::loadElements(self::tableName, self::className);
+    }
+    
+    public static function loadClub($id)
+    {
+        return self::loadElement($id, self::tableName, self::className);
     }
     
     protected function __construct()
     {}
     
-    public static function loadClubs()
-    {
-        $dbo = Factory::getDbo();
-        $q = $dbo->getQuery(true);
-        $q->select('*')
-        ->from('#__club_clubs');
-        $dbo->setQuery($q);
-        $dbo->execute();
-        $list = $dbo->loadAssocList('id');
-        
-        $ret = array();
-        foreach($list as $c)
-        {
-            $co = new ClubsClub();
-            $co->loadData($c);
-            
-            $ret[] = $co;
-        }
-        
-        return $ret;
-    }
-    
-    /**
-     * @param int $id
-     * @throws Exception
-     * @return ClubsOffer
-     */
-    public static function loadClub(int $id)
-    {
-        $dbo = Factory::getDbo();
-        $q = $dbo->getQuery(true);
-        $q->select('*')->from('#__club_clubs')->where('id=' . (int) $id);
-        $dbo->setQuery($q);
-        $dbo->execute();
-        
-        $row = $dbo->loadAssoc();
-        
-        if($row == null)
-        {
-            throw new Exception("No club found.");
-            // TODO
-        }
-        
-        $club = new ClubsClub();
-        $club->loadData($row);
-        return $club;
-    }
-    
     public static function createClub()
     {
         $club = new ClubsClub();
         $club->id = 'new';
         return $club;
     }
+
     
     
-    public function save()
+    protected function loadCustomData($assoc)
     {
-        if($this->id === 'new')
-            $this->insertClub();
-        else
-            $this->updateClub();
+        parent::loadCustomData($assoc);
+        $this->president = ClubsUser::loadUser($assoc['president']);
     }
     
-    private function insertClub()
+    protected function postQuoteFilter(&$values)
     {
-        $dbo = Factory::getDbo();
-        $q = $dbo->getQuery(true);
-        
-        $mapping = array('name', 'address', 'city', 'homepage', 'mail', 'iban', 'bic', 'charitable', 'presidentId');
-        $values = array(); 
-        foreach($mapping as $m)
-            $values[$m] = $q->q($this->$m);
-        
-        $q->insert('#__club_clubs')
-          ->columns(array('name'))
-          ->values(join(',', $values))
-          ;
-        
-        $dbo->transactionStart();
-        $dbo->setQuery($q);
-        $dbo->execute();
-        $this->id = $dbo->insertid();
-        $dbo->transactionCommit();
+        parent::postQuoteFilter($values);
+        $values['president'] = $this->president->getId();
     }
     
-    private function updateClub()
+    protected function prepareDelete($dbo)
+    {}
+    
+    protected function getDataMappings()
     {
-        $dbo = Factory::getDbo();
-        $q = $dbo->getQuery(true);
-        
-        $mapping = array('name', 'address', 'city', 'homepage', 'mail', 'iban', 'bic', 'charitable', 'presidentId');
-        $values = array();
-        foreach($mapping as $m)
-            $values[$m] = $q->q($this->$m);
-        
-        $q->update('#__club_clubs');
-        foreach($mapping as $m)
-            $q->set($q->qn($m) . '=' . $values[$m]);
-        $q->where("id=". (int) $this->id);
-        
-        $dbo->setQuery($q);
-        $dbo->execute();
+        return array('neme', 'address', 'city', 'homepage', 'mail', 'iban', 'bic', 'charitable');
+    }
+
+    protected function getRequiredDataMappings()
+    {
+        return array('neme', 'address', 'city', 'mail', 'iban', 'bic', 'charitable');
     }
     
-    public function delete()
+    private const tableName = '#__club_clubs';
+    private const className = 'ClubsClub';
+    protected function getTableName()
     {
-        if($this->id === 'new')
-            return;
-        $dbo = Factory::getDbo();
-        
-        $q = $dbo->getQuery(true);
-        $q->delete('#__club_clubs')
-          ->where('id=' . (int) $this->id);
-        
-        $dbo->setQuery($q);
-        $dbo->execute();
+        return self::tableName;
     }
+
     
     
 }