partner-contact/partner_contact_in_several_companies/demo/res_partner.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
<data>

    <record id="res_partner_main2_position_consultant" model="res.partner">
        <field name="name">Roger Scott</field>
        <field name="function">Consultant</field>
        <field name="parent_id" ref="base.res_partner_4"/>
        <field name="contact_id" ref="base.res_partner_main2"/>
    </record>

    <record id="res_partner_contact1" model="res.partner">
        <field name="name">Bob Egnops</field>
        <field name="birthdate_date">1984-01-01</field>
        <field name="email">bob@hillenburg-oceaninstitute.com</field>
    </record>

    <record id="res_partner_contact1_work_position1" model="res.partner">
        <field name="name">Bob Egnops</field>
        <field name="function">Technician</field>
        <field name="email">bob@yourcompany.com</field>
        <field name="parent_id" ref="base.main_partner"/>
        <field name="contact_id" ref="res_partner_contact1"/>
    </record>

</data>
</odoo>