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.
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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.