Many US Presidents are supposedly related the Brtitish Royal family.
https://familypedia.fandom.com/wiki/Genealogical_relationships_of_Presidents_of_the_United_States
https://www.dailymail.co.uk/news/article-2183858/All-presidents-bar-directly-descended-medieval-English-king.html
https://www.dailypress.com/news/dp-xpm-20010714-2001-07-14-0107131993-story.html