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 Henry Benedict Stuart:

"

Under his will, which he signed as "Henry R" (i.e. Rex or king), he was succeeded in all his claimed British rights by his nearest blood-relative and friend, King Charles Emmanuel IV of Sardinia. Like his successors, Charles Emmanuel neither asserted nor renounced his Jacobite claims.[citation needed]