If you belong to a blogger family, running a multi-user blog with all your family members as blog authors having their own posts and categories then you should try WP Family Tree plugin.
Using WP Family Tree plugin you can create and display a family tree showing all your family bloggers with a link to their posts. It allows you to specify birth dates, mother, father and other family relations etc, afterwards you can display your complete family tree using [family-tree] shortcode inside your blog posts and pages.
YouTube: please specify correct url
The root of your family tree can be specified using the root parameter like this: [family-tree root='John Doe'], even you can specify a featured image, show avatar of your family members on hover etc. Watch the full video tutorial or visit plugin’shome page.