diff --git a/golem_member_minor/golem_member.py b/golem_member_minor/golem_member.py
index 6101ba6..c81eb03 100644
--- a/golem_member_minor/golem_member.py
+++ b/golem_member_minor/golem_member.py
@@ -23,8 +23,11 @@ class GolemMember(models.Model):
     _inherit = 'golem.member'
 
     ADULT_DURATION = timedelta(days=365*18)
-    legal_guardian = fields.Many2one('res.partner', 'Legal guardian',
-                                     domain=[('is_company', '=', False)])
+    legal_guardian_ids = fields.Many2many('res.partner',
+                                          string='Legal guardians',
+                                          domain="['&', "
+                                          "('is_company', '=', False), "
+                                          "('id', '!=', partner_id)]")
     activities_participation = fields.Boolean('Activities participation?')
     is_minor = fields.Boolean('Is minor?', compute='_compute_is_minor',
                               store=True, default=False)
diff --git a/golem_member_minor/golem_member_view.xml b/golem_member_minor/golem_member_view.xml
index d1afcad..0eaa795 100644
--- a/golem_member_minor/golem_member_view.xml
+++ b/golem_member_minor/golem_member_view.xml
@@ -33,14 +33,18 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
           <page name="minor_page" string="Minor"
             attrs="{'invisible': [('is_minor', '=', False)]}">
             <group name="minor_group">
-              <group>
-                <field name="is_minor" invisible="True" />
-                <field name="legal_guardian"
-                  domain="[('id', '!=', partner_id)]" />
-              </group>
-              <group>
                 <field name="activities_participation"/>
-              </group>
+                <field name="partner_id" invisible="True" required="False" />
+                <field name="is_minor" invisible="True" />
+                <field name="legal_guardian_ids">
+                <tree name="legal_guardian_ids_tree">
+                    <field name="name" />
+                    <field name="contact_address" />
+                    <field name="phone" />
+                    <field name="mobile" />
+                    <field name="email" widget="email" />
+                  </tree>
+                </field>
             </group>
           </page>
         </page>