Yeah, King Edward IV is my 16th great grandfather, shared with Queen Elizabeth (who is my 18th cousin 3x removed).

Divertje Cornelius’s (my 12th great grandfather’s) marriage was the founding of the American Vanderbilt family, and who Cornelius Vanderbilt was named after and who shares the same ancestor with (along with Gloria Vanderbilt and her son Anderson Cooper).

Not a relation, but interesting that John Quincy Adams was born in the home of my ancestor Samuel Belcher

The great grandfather of the 3rd US Vice President (Burr) was also a gX grandfather of mine.

I have a 12th great grandfather who was also a gX grandfather of Winston Churchill.

Numerous lesser politicians (governors, premiers, mayors of major cities) also are also known to share common ancestors of mine.