<table class="table table-striped table-bordered">
    <div>
        <!--
          {% for row in forderung_kopf %}

            {% for key, value in row._asdict().items() %}
            <tr>
              <td><strong>{{ key }}:</strong></td>
              <td>{{ '{{' }}forderung_kopf[0].{{ key }} {{ '}}' }}</td>
            </tr>
            {% endfor %}
            {% endfor %}
          -->
    </div>
    <tbody>
        {% for row in forderung_kopf %}

        {% for key, value in row._asdict().items() %}
        <tr>
            <th>{{ key }}</th>
            <td>{{ value }}</td>
        </tr>
        {% endfor %}
        {% endfor %}
    </tbody>
</table>