MyWebsiteAdvisor

ChrisHurst

Use the [children-excerpt] shortcode where you want to display the excerpts of the child pages. 
Defaults to the first 50 words, can be overridden with length attribute so your excerpts can be set to any length of your choosing.
Developer Website: http://MyWebsiteAdvisor.com
Plugin Page: http://mywebsiteadvisor.com/tools/wordpress-plugins/children-excerpt-shortcode/
Video Tutorial: http://mywebsiteadvisor.com/learning/video-tutorials/children-shortcode-plugins-tutorial/
Requirements:
To-do:

Name: Children Excerpt Shortcode

Use the [children-excerpt] shortcode where you want to display the excerpts of the child pages.

bobbingwide

Use the Children block ( oik-sb/children ) to list children of the current content as links. 
Works for any hierarchical post type which supports page-attributes, such as page.

SB Children block

List children of the current content as links.

Name: Children Excerpt Shortcode vs SB Children block