<table border="1" width="100%">
  <caption>Un tableau complet en guise d'exemple</caption>
    <thead>
        <tr>
            <th scope="col">Prénom</th>
            <th scope="col">Nom</th>
            <th scope="col">Ville</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>Ronan</td>
            <td>HELLO</td>
            <td>Nantes</td>
        </tr>
        <tr>
            <td>John</td>
            <td rowspan="2">DOE</td>
            <td>Paris</td>
        </tr>
        <tr>
            <td>Jane</td>
            <td>Bordeaux</td>
        </tr>
        <tr>
            <td colspan="3">Une cellule sur 3 colonnes</td>
        </tr>
    </tbody>
</table>