diff --git a/application/controllers/RedundancygroupController.php b/application/controllers/RedundancygroupController.php
index 9e0c65fb0..3c43ac856 100644
--- a/application/controllers/RedundancygroupController.php
+++ b/application/controllers/RedundancygroupController.php
@@ -228,6 +228,7 @@ public function completeAction(): void
         $suggestions = (new ObjectSuggestions())
             ->setModel(DependencyNode::class)
             ->setBaseFilter(Filter::equal("$column.redundancy_group.id", $this->groupId))
+            ->onlyWithCustomVarSources(['host', 'service', 'hostgroup', 'servicegroup'])
             ->forRequest($this->getServerRequest());
 
         $this->getDocument()->add($suggestions);
diff --git a/library/Icingadb/Model/Hostgroup.php b/library/Icingadb/Model/Hostgroup.php
index 1ff6f0fba..0c28ee494 100644
--- a/library/Icingadb/Model/Hostgroup.php
+++ b/library/Icingadb/Model/Hostgroup.php
@@ -71,7 +71,8 @@ public function getDefaultSort()
     public function createBehaviors(Behaviors $behaviors)
     {
         $behaviors->add(new ReRoute([
-            'servicegroup'  => 'service.servicegroup'
+            'servicegroup'  => 'service.servicegroup',
+            'child'         => 'host.to.from'
         ]));
 
         $behaviors->add(new Binary([
diff --git a/library/Icingadb/Model/Servicegroup.php b/library/Icingadb/Model/Servicegroup.php
index 2e4b847b5..2db297a62 100644
--- a/library/Icingadb/Model/Servicegroup.php
+++ b/library/Icingadb/Model/Servicegroup.php
@@ -72,7 +72,8 @@ public function createBehaviors(Behaviors $behaviors)
     {
         $behaviors->add(new ReRoute([
             'host'      => 'service.host',
-            'hostgroup' => 'service.hostgroup'
+            'hostgroup' => 'service.hostgroup',
+            'child'     => 'service.to.from'
         ]));
 
         $behaviors->add(new Binary([
diff --git a/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php b/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
index 7630e0162..468846132 100644
--- a/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
+++ b/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
@@ -43,6 +43,9 @@ class ObjectSuggestions extends Suggestions
     /** @var array */
     protected $customVarSources;
 
+    /** @var string[] Reduce {@see $customVarSources} to only given relations to fetch customVar for */
+    protected $onlyWithCustomVarSources = [];
+
     public function __construct()
     {
         $this->customVarSources = [
@@ -241,7 +244,7 @@ protected function fetchColumnSuggestions($searchTerm)
                 $search = $name . '[*]';
             }
 
-            foreach ($this->customVarSources as $relation => $label) {
+            foreach ($this->getCustomVarSources() as $relation => $label) {
                 if (isset($customVar->$relation)) {
                     if (! $titleAdded) {
                         $titleAdded = true;
@@ -284,8 +287,9 @@ protected function queryCustomvarConfig(string $searchTerm): Select
 
         $scalarQueries = [];
         $aggregates = ['flatname'];
+        $customVarSources = $this->getCustomVarSources();
         foreach ($resolver->getRelations($customVars->getModel()) as $name => $relation) {
-            if (isset($this->customVarSources[$name]) && $relation instanceof BelongsToMany) {
+            if (isset($customVarSources[$name]) && $relation instanceof BelongsToMany) {
                 $query = $customVars->createSubQuery(
                     $relation->getTarget(),
                     $resolver->qualifyPath($name, $tableName)
@@ -419,4 +423,37 @@ protected static function collectRelations(Resolver $resolver, Model $subject, a
             }
         }
     }
+
+    /**
+     * Get the custom variable sources to fetch customVar for
+     *
+     * If {@see $onlyWithCustomVarSources} is set, only return the sources that are in the list
+     *
+     * @return array
+     */
+    protected function getCustomVarSources(): array
+    {
+        if (! empty($this->onlyWithCustomVarSources)) {
+            $this->customVarSources = array_intersect_key(
+                $this->customVarSources,
+                array_flip($this->onlyWithCustomVarSources)
+            );
+        }
+
+        return $this->customVarSources;
+    }
+
+    /**
+     * Reduce {@see $customVarSources} to only given relations to fetch customVar for
+     *
+     * @param string[] $relations
+     *
+     * @return $this
+     */
+    public function onlyWithCustomVarSources(array $relations): self
+    {
+        $this->onlyWithCustomVarSources = $relations;
+
+        return $this;
+    }
 }