diff --git a/golem_member_minor/models/golem_legal_gardian.py b/golem_member_minor/models/golem_legal_gardian.py
new file mode 100644
index 0000000..8dbd5e5
--- /dev/null
+++ b/golem_member_minor/models/golem_legal_gardian.py
@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2017-2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" Golem Legal Gardian Management """
+
+from odoo import models, fields, api
+
+class GolemLegalGardian(models.Model):
+    """ Golem Legal Gardian Management """
+    _name = 'golem.legal.gardian'
+
+    member_id = fields.Many2one('golem.member', required=True,
+                                ondelete='cascade',
+                                readonly=True)
+    legal_gardian_id = fields.Many2one('res.partner', required=True,
+                                       domain="[('is_company', '=', False)]",
+                                       ondelete='cascade')
+    name = fields.Char(related="legal_gardian_id.name")
+    contact_address = fields.Char(related="legal_gardian_id.contact_address")
+    phone = fields.Char(related="legal_gardian_id.phone")
+    mobile = fields.Char(related="legal_gardian_id.mobile")
+    email = fields.Char(related="legal_gardian_id.email")
+
+
+    is_default_gardian = fields.Boolean()
+
+
+    def do_default_gardian(self):
+        """ Make current only default gardian """
+        self.ensure_one()
+        self.write({'is_default_gardian': True})
+        legal_list = self.member_id.legal_guardian2_ids.filtered(
+            lambda a: a.legal_gardian_id not in self.legal_gardian_id)
+        legal_list.write({'is_default_gardian': False})
+        return {
+            'type': 'ir.actions.client',
+            'tag': 'reload'
+            }
+
+    @api.model
+    def create(self, values):
+        """ If current gardian is default if the only, and the only if default """
+        if values['is_default_gardian']:
+            self.env['golem.member'].browse(values['member_id']).legal_guardian2_ids.write(
+                {'is_default_gardian': False})
+        if not self.env['golem.member'].browse(values['member_id']).legal_guardian2_ids:
+            values['is_default_gardian'] = True
+        return  super(GolemLegalGardian, self).create(values)