Problem with array

Hello,

I have a probleme with an array like that:

$array[1]['mother_id'] = 0;
$array[1]['father_id'] = 0;
$array[1]['name'] = foo;

$array[2]['mother_id'] = 0;
$array[2]['father_id'] = 0;
$array[2]['name'] = foo1;

$array[3]['mother_id'] = 1;
$array[3]['father_id'] = 2;
$array[3]['name'] = foo2;

In PHP I print the name of the parents with:

$array[$array[$key]['mother_id']]['name']

I tried to do the same thing with smarty :

{$array[$array[$key].mother_id].name}

But it does not work. Do you have an idea ?

Regards