Genesis child theme custom page template that shows child pages of the current page. Heavily based on: https://gist.github.com/billerickson/3218052

tmpl_child-pages.php

<?php
/*
Template Name: Custom Loop
*/

remove_action( 'genesis_loop','genesis_do_loop' );
add_action( 'genesis_loop','my_custom_loop' );

function my_custom_loop() {

	global $post;

	// arguments, adjust as needed
	$args = array(
		'post_type'      => 'page',
		'post_parent'    => $post->ID,
		'posts_per_page' => get_option('posts_per_page'),
		'post_status'    => 'publish',
		'paged'          => get_query_var( 'paged' )
	);

	/*
	Overwrite $wp_query with our new query.
	The only reason we're doing this is so the pagination functions work,
	since they use $wp_query. If pagination wasn't an issue,
	use: https://gist.github.com/3218106
	*/
	global $wp_query;
	$wp_query = new WP_Query( $args );

	if ( have_posts() ) :
		while ( have_posts() ) : the_post(); ?>

			<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
				<header class="entry-header"><a href="<?php echo esc_url( get_permalink() ); ?>" rel="bookmark"><?php echo get_the_title(); ?></a></header>

				<div class="entry-content">
					<?php do_action( 'genesis_entry_content' ); ?>
				</div><!-- .entry-content -->
				<?php do_action( 'genesis_entry_footer' ); ?>
			</article>
		<?php
		endwhile;
		do_action( 'genesis_after_endwhile' );
	endif;

	wp_reset_query();
}

//* Make rocket go fast now
genesis();