Built-in Addons:

Shortcake

Shortcake Example
Shortcake Example

To insert breadcrumbs, GD Crumbs Navigator Pro has shortcodes you can use inside the post content. To make it easier to work with these shortcodes, plugin fully supports Shortcake Shortcode UI plugin.

You can set basic elements for the breadcrumbs for both standard and multi breadcrumbs shortcodes.