Can't get childs custom fields

Hi, I need help, I have a page that I want to display content from child pages, I get the content but not the custom fields!

I’ve tried this but it dosnt work, what am I doing wrong?
<?php echo apply_filters('the_content', get_post_meta($page->post_content, 'custom_tagline')); ?>

<?php
$pages = get_pages('child_of='.$post->ID.'&sort_column=post_date&sort_order=desc&parent='.$post->ID);
	foreach($pages as $page) {
?>
<div class="five columns">
<?php echo apply_filters('the_content', $page->post_content); ?>
</div>

<div class="seven columns">
<?php echo apply_filters('the_content', get_post_meta($page->post_content, 'custom_tagline')); ?>
</div>

<?php } ?>

Please HELP!