Making alignment with table

<table border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td align="left">Masud</td>
<td align="left">Assad</td>
<td align="left">Mamun</td>
<td align="left">Sayed</td>
</tr>
<tr>
<td align="right">Shakila</td>
<td align="right">Shamima</td>
<td align="right">Shahnaz</td>
<td align="right">Tonni</td>
</tr>

<tr>
<td align="center">Grand father</td>
<td align="center">Grand Mother</td>
<td align="center">Father</td>
<td align="center">Mother</td>
</td>
</table>