{% for ance in ancestors %}
<li property="itemListElement" typeof="ListItem">
    {% if not forloop.last or link_all %}
    <a href="{{ ance.get_absolute_url }}" property="item" typeof="WebPage"><span property="name">{{ ance.get_menu_title }}</span></a>
    {% else %}
    <span class="active" property="name">{{ ance.get_menu_title }}</span>
    {% endif %}
    <meta property="position" content="{{ forloop.counter }}">
</li>
{% endfor %}