Let’s talk about Princess Diana, one of the world’s most iconic and beloved figures. Beyond her incredible legacy, she was also part of an extraordinary family tree filled with famous relatives. And guess what? She wasn’t the only royal with some seriously cool connections. Many members of the British royal family have fascinating ties to celebrities, world leaders, and historical figures that might blow your mind.
Princess Diana's Hollywood Relatives
Take a moment to let this sink in: Humphrey Bogart, the legendary star of Casablanca, was Princess Diana’s seventh cousin. That’s right—Diana shared a distant but undeniable link to the Hollywood icon. “Lady Diana’s connection to Mr. Bogart may seem far-fetched, but it’s absolutely there,” explained Hugh Peskett, a senior genealogist at Debrett’s, an authority on British aristocracy. But Bogart isn’t the only big name in Diana’s family tree. Her ancestry also connects her to Louisa May Alcott, the author of Little Women; silent film legends like Rudolph Valentino and Lillian Gish; financier J.P. Morgan; and even General George Patton, a key figure in World War II. How amazing is that?

Humphrey Bogart in 1940. (Photo Credit: Getty Images)
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World Leaders in Diana's Family
But it doesn’t stop there. According to TIME magazine, Diana had ties to numerous world leaders, including former British Prime Minister Winston Churchill. And if you think that’s impressive, wait until you hear this: George Washington, the first U.S. president, was Diana’s eighth cousin seven times removed. That’s not even the end of her presidential connections! Through her eccentric American great-great-grandfather, she was related to Presidents John Adams, John Quincy Adams, Calvin Coolidge, Millard Fillmore, Rutherford B. Hayes, Grover Cleveland, and Franklin D. Roosevelt. Oh, and let’s not forget—George W. Bush and Diana were 11th cousins twice removed. Who knew history could get so personal?
Other Royals and Their Famous Relatives
Now, let’s shift gears and talk about the rest of the royal family. Believe it or not, Beyoncé and Queen Elizabeth II are distant relatives. According to Vogue, they’re 25th cousins once removed. Meanwhile, Johnny Depp shares a family link with the Queen as her 20th cousin. If you’re wondering where these celebs fit into the line of succession, well, let’s just say it’s a long shot—but fascinating nonetheless!
Then there’s Prince Charles’ wife, Camilla Parker-Bowles, who has ties to musicians Madonna and Céline Dion. Interestingly, Madonna’s ex-husband Guy Ritchie is a sixth cousin of Kate Middleton, which might explain how he snagged an invite to her wedding. Ellen DeGeneres, on the other hand, is a 15th cousin of Kate. And here’s another fun fact: Ralph Fiennes, best known for playing Voldemort in the Harry Potter series, is an eighth cousin of Prince Charles. Crazy, right?
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