Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Countess Palatine Caroline of Zweibrücken:

This text is part of the article's lead section, so referencing it may be optional. Please see WP:CITELEAD for more information.

"

Together with Louis IX, her husband, she became the most recent common ancestors of all current sovereigns of hereditary monarchies in Europe in 2022 after Charles III became King of the United Kingdom.[citation needed]