diff --git a/app/models/group/federation.rb b/app/models/group/federation.rb
index 79e8c373..5574d722 100644
--- a/app/models/group/federation.rb
+++ b/app/models/group/federation.rb
@@ -86,6 +86,7 @@ class DispatchAddress < Jubla::Role::DispatchAddress
 
   class ItSupport < Jubla::Role::Member
     self.permissions = [:impersonation]
+    include Group::UniqueNextcloudGroup
   end
 
   roles GroupAdmin, Alumnus, External, DispatchAddress, ItSupport
diff --git a/app/models/group/flock.rb b/app/models/group/flock.rb
index f2c50325..d0d812fc 100644
--- a/app/models/group/flock.rb
+++ b/app/models/group/flock.rb
@@ -116,17 +116,21 @@ def population_approveable?
     current_census && !MemberCounter.new(current_census.year, self).exists?
   end
 
+  # Scharleitung
   class Leader < Jubla::Role::Leader
     self.permissions = [:layer_and_below_full, :contact_data, :approve_applications]
   end
 
+  # Lagerleitung
   class CampLeader < ::Role
     self.permissions = [:layer_and_below_full, :contact_data]
+    include Group::UniqueNextcloudGroup
   end
 
   # Präses
   class President < ::Role
     self.permissions = [:layer_and_below_read, :contact_data]
+    include Group::UniqueNextcloudGroup
 
     self.used_attributes += [:employment_percent, :honorary]
   end
@@ -134,6 +138,7 @@ class President < ::Role
   # Leiter
   class Guide < ::Role
     self.permissions = [:layer_and_below_read]
+    include Group::UniqueNextcloudGroup
   end
 
   # Kassier
@@ -144,6 +149,7 @@ class Treasurer < Jubla::Role::Treasurer
   # Coach
   class Coach < ::Role
     self.permissions = [:layer_and_below_read]
+    include Group::UniqueNextcloudGroup
     self.kind = nil
     self.visible_from_above = false
   end
@@ -151,6 +157,7 @@ class Coach < ::Role
   # Betreuer
   class Advisor < ::Role
     self.permissions = [:layer_and_below_read]
+    include Group::UniqueNextcloudGroup
     self.kind = nil
     self.visible_from_above = false
   end
diff --git a/app/models/group/state_board.rb b/app/models/group/state_board.rb
index 225d0129..9f6f763e 100644
--- a/app/models/group/state_board.rb
+++ b/app/models/group/state_board.rb
@@ -58,6 +58,7 @@ class President < Member
   # Stellenbegleitung
   class Supervisor < ::Role
     self.permissions = [:layer_and_below_read]
+    include Group::UniqueNextcloudGroup
   end
 
   class GroupAdmin < Jubla::Role::GroupAdmin
diff --git a/app/models/group/unique_nextcloud_group.rb b/app/models/group/unique_nextcloud_group.rb
new file mode 100644
index 00000000..ec0d6f90
--- /dev/null
+++ b/app/models/group/unique_nextcloud_group.rb
@@ -0,0 +1,21 @@
+# encoding: utf-8
+
+#  Copyright (c) 2012-2023, Jungwacht Blauring Schweiz. This file is part of
+#  hitobito and licensed under the Affero General Public License version 3
+#  or later. See the COPYING file at the top-level directory or at
+#  https://github.com/hitobito/hitobito.
+
+module Group::UniqueNextcloudGroup
+  extend ActiveSupport::Concern
+    
+  included do
+    self.nextcloud_group = :calculate_nextcloud_group
+  end
+
+  def calculate_nextcloud_group
+    {
+      "gid" => "#{group_id.to_s}_#{self.type}",
+      "displayName" => "#{group.name} - #{self.class.model_name.human(count:2)}"
+    }
+  end
+end
diff --git a/app/models/jubla/role.rb b/app/models/jubla/role.rb
index 041403c4..a4162a80 100644
--- a/app/models/jubla/role.rb
+++ b/app/models/jubla/role.rb
@@ -51,6 +51,7 @@ def roles_in_layer(person_id, layer_group_id)
   # Adressverwaltung
   class GroupAdmin < ::Role
     self.permissions = [:group_full]
+    include Group::UniqueNextcloudGroup
   end
 
   # Versandadresse. Intended to be used with mailing lists
@@ -73,20 +74,24 @@ class Alumnus < ::Role
   # Common superclass for all J+S Coach roles
   class Coach < ::Role
     self.permissions = [:contact_data, :group_read]
+    include Group::UniqueNextcloudGroup
   end
 
   # Common superclass for all leader roles
   # Primarly used for common naming
   class Leader < ::Role
+    include Group::UniqueNextcloudGroup
   end
 
   # Common superclass for all member roles
   # Primarly used for common naming
   class Member < ::Role
+    include Group::UniqueNextcloudGroup
   end
 
   # Common superclass for all treasurer roles
   class Treasurer < ::Role
+    include Group::UniqueNextcloudGroup
   end
 
   def alumnus_group_member?