diff --git a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
index 891a0f461..132dc1172 100644
--- a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
@@ -32,8 +32,6 @@ class AccompanyingCourseApiController extends ApiController
 
     private Registry $registry;
 
-    private AccompanyingPeriodACLAwareRepository $accompanyingPeriodACLAwareRepository;
-
     public function __construct(
         EventDispatcherInterface $eventDispatcher,
         ValidatorInterface $validator,
diff --git a/src/Bundle/ChillPersonBundle/DataFixtures/ORM/LoadRelationships.php b/src/Bundle/ChillPersonBundle/DataFixtures/ORM/LoadRelationships.php
index e69de29bb..cfabde912 100644
--- a/src/Bundle/ChillPersonBundle/DataFixtures/ORM/LoadRelationships.php
+++ b/src/Bundle/ChillPersonBundle/DataFixtures/ORM/LoadRelationships.php
@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\DataFixtures\ORM;
+
+use Doctrine\Bundle\FixturesBundle\Fixture;
+use Doctrine\Common\DataFixtures\DependentFixtureInterface;
+use Doctrine\Persistence\ObjectManager;
+
+class LoadRelationships extends Fixture implements DependentFixtureInterface
+{
+    public function getDependencies()
+    {
+
+    }
+
+    public function load(ObjectManager $manager)
+    {
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
index 51b3525fd..684813c76 100644
--- a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
+++ b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
@@ -879,14 +879,10 @@ class ChillPersonExtension extends Extension implements PrependExtensionInterfac
                     'actions' => [
                         '_entity' => [
                             'methods' => [
-                                Request::METHOD_GET => true,
-                                Request::METHOD_HEAD => true,
                                 Request::METHOD_POST => true,
                                 Request::METHOD_PATCH => true
                             ],
                             'roles' => [
-                                Request::METHOD_GET => 'ROLE_USER',
-                                Request::METHOD_HEAD => 'ROLE_USER',
                                 Request::METHOD_POST => 'ROLE_USER',
                                 Request::METHOD_PATCH => 'ROLE_USER'
                             ]
diff --git a/src/Bundle/ChillPersonBundle/Entity/Relationships/Relation.php b/src/Bundle/ChillPersonBundle/Entity/Relationships/Relation.php
index 7cd000dd5..a0fefc877 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Relationships/Relation.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Relationships/Relation.php
@@ -3,10 +3,16 @@
 namespace Chill\PersonBundle\Entity\Relationships;
 
 use Doctrine\ORM\Mapping as ORM;
+use Doctrine\ORM\Mapping\DiscriminatorColumn;
+use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
+use Symfony\Component\Serializer\Annotation as Serializer;
 
 /**
  * @ORM\Entity()
  * @ORM\Table(name="chill_person_relations")
+ * @DiscriminatorMap(typeProperty="type", mapping={
+ *  "relation"=Relation::class
+ * })
  */
 class Relation
 {
@@ -15,17 +21,19 @@ class Relation
      * @ORM\GeneratedValue
      * @ORM\Column(type="integer")
      */
-    private $id;
+    private ?int $id = null;
 
     /**
      * @ORM\Column(type="json", nullable=true)
+     * @Serializer\Groups({"read"})
      */
-    private $title = [];
+    private array $title = [];
 
     /**
      * @ORM\Column(type="json", nullable=true)
+     * @Serializer\Groups({"read"})
      */
-    private $reverseTitle = [];
+    private array $reverseTitle = [];
 
     public function getId(): ?int
     {
@@ -55,4 +63,4 @@ class Relation
 
         return $this;
     }
-}
+}
\ No newline at end of file
diff --git a/src/Bundle/ChillPersonBundle/Entity/Relationships/Relationship.php b/src/Bundle/ChillPersonBundle/Entity/Relationships/Relationship.php
index e748f9797..54be21140 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Relationships/Relationship.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Relationships/Relationship.php
@@ -2,50 +2,60 @@
 
 namespace Chill\PersonBundle\Entity\Relationships;
 
+use Chill\MainBundle\Doctrine\Model\TrackCreationInterface;
+use Chill\MainBundle\Doctrine\Model\TrackUpdateInterface;
 use Chill\MainBundle\Entity\User;
 use Chill\PersonBundle\Entity\Person;
 use Chill\PersonBundle\Entity\Relationships\Relation;
+use DateTimeImmutable;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
-use Symfony\Component\Serializer\Annotation\Groups;
+use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
+use Doctrine\ORM\Mapping\DiscriminatorColumn;
+use Symfony\Component\Serializer\Annotation as Serializer;
 
 /**
  * @ORM\Entity()
  * @ORM\Table(name="chill_person_relationships")
+ * @DiscriminatorColumn(name="relation_id", type="integer")
+ * @DiscriminatorMap(typeProperty="type", mapping={
+ *  "relationship"=Relationship::class
+ * })
+ * 
  */
-class Relationship
+class Relationship implements TrackCreationInterface, TrackUpdateInterface
 {
     /**
      * @ORM\Id
      * @ORM\GeneratedValue
      * @ORM\Column(type="integer")
-     * @Groups({"read"})
+     * @Serializer\Groups({"read"})
      */
-    private $id;
+    private ?int $id = null;
 
     /**
      * @ORM\ManyToOne(targetEntity=Person::class)
      * @ORM\JoinColumn(nullable=false)
-     * @Assert\NotBlank()
-     * @Groups({"read", "write"})
+     * @Assert\NotNull()
+     * @Serializer\Groups({"read", "write"})
      */
-    private $fromPerson;
+    private ?Person $fromPerson = null;
 
     /**
      * @ORM\ManyToOne(targetEntity=Person::class)
      * @ORM\JoinColumn(nullable=false)
-     * @Assert\NotBlank()
-     * @Groups({"read", "write"})
+     * @Assert\NotNull()
+     * @Serializer\Groups({"read", "write"})
      */
-    private $toPerson;
+    private ?Person $toPerson = null;
     
     /**
      * @ORM\ManyToOne(targetEntity=Relation::class)
      * @ORM\JoinColumn(nullable=false, name="relation_id", referencedColumnName="id")
-     * @Assert\NotBlank()
-     * @Groups({"read", "write"})
+     * @Assert\NotNull()
+     * @Serializer\Groups({"read", "write"})
      */
-    private $relation;
+    private ?Relation $relation = null;
     
     /**
      * @ORM\Column(type="boolean")
@@ -53,30 +63,30 @@ class Relationship
      *  type="bool",
      *  message="This must be of type boolean"
      * )
-     * @Groups({"read"})
+     * @Serializer\Groups({"read", "write"})
      */
-    private $reverse;
+    private bool $reverse;
 
     /**
      * @ORM\ManyToOne(targetEntity=User::class)
      * @ORM\JoinColumn(nullable=false)
      */
-    private $createdBy;
+    private ?User $createdBy = null;
 
     /**
      * @ORM\Column(type="datetime_immutable")
      */
-    private $createdAt;
+    private ?DateTimeImmutable $createdAt = null;
 
     /**
      * @ORM\ManyToOne(targetEntity=User::class)
      */
-    private $updatedBy;
+    private ?User $updatedBy = null;
 
     /**
      * @ORM\Column(type="datetime_immutable", nullable=true)
      */
-    private $updatedAt;
+    private ?DateTimeImmutable $updatedAt = null;
 
 
     public function getId(): ?int
@@ -125,9 +135,9 @@ class Relationship
         return $this->createdBy;
     }
 
-    public function setCreatedBy(?User $createdBy): self
+    public function setCreatedBy(?User $user): self
     {
-        $this->createdBy = $createdBy;
+        $this->createdBy = $user;
 
         return $this;
     }
@@ -137,7 +147,7 @@ class Relationship
         return $this->createdAt;
     }
 
-    public function setCreatedAt(\DateTimeImmutable $createdAt): self
+    public function setCreatedAt(\DateTimeInterface $createdAt): self
     {
         $this->createdAt = $createdAt;
 
@@ -161,7 +171,7 @@ class Relationship
         return $this->updatedAt;
     }
 
-    public function setUpdatedAt(?\DateTimeImmutable $updatedAt): self
+    public function setUpdatedAt(?\DateTimeInterface $updatedAt): self
     {
         $this->updatedAt = $updatedAt;
 
@@ -179,4 +189,4 @@ class Relationship
 
         return $this;
     }
-}
+}
\ No newline at end of file