PROBLEM solved, using this code:
$test = mysql_query("SELECT Naam, Bestemming, Aantal_Duiven, Name FROM Shipments, Zendingen, Klanten, Manden,
Bestemmeling WHERE Zendingen.Actief=1 AND Shipments.Zending_ID=Zendingen.ID AND Shipments.Klant_ID=Klanten.ID AND
Shipments.Bestemmeling_ID=Bestemmeling.ID AND Shipments.Mand_ID=Manden.ID") or die(mysql_error());
$num_rows = mysql_num_rows($test);
$i = 0;
while ($i < $num_rows)
{
$test2 = mysql_fetch_assoc($test);
echo "<table><tr>";
echo "<td>Bestemming</td>";
echo "<td>Naam</td>";
echo "<td>Aantal Duiven</td>";
echo "<td>Naam</td>";
echo "</tr>";
echo "<tr>";
echo "<td>" .$test2["Bestemming"]. "</td>";
echo "<td>" .$test2["Naam"]. "</td>";
echo "<td>" .$test2["Aantal_Duiven"]. "</td>";
echo "<td>" .$test2["Name"]. "</td>";
echo "</tr></table>";
$i++;
}