colspan and rowspan

<table>
<tr>
    <th rowspan="2">Header 1</th>
    <td>Cell 1</td>
    <td>Cell 2</td>
  </tr>
  <tr>
                   
    <td>Cell 3</td>
    <td>Cell 4</td>
  </tr>
  <tr>
    <td>cell 7</td >
    <td>Cell 5</td>
    <td>Cell 6</td>
  </tr>
</table>
Header 1 Cell 1 Cell 2
Cell 3 Cell 4
cell 7 Cell 5 Cell 6

Cheat:

border="1"