<xpath expr="//field[@name='associate_member']" position="replace">
<field name="associate_members" widget="many2many"/>
</xpath>
+ <xpath expr="//field/tree/field[@name='date']" position="replace">
+ <field name="date_from"/>
+ <field name="date_to"/>
+ </xpath>
</field>
</record>
<record id="view_remembership_members_simple_tree" model="ir.ui.view">