News Your Guide to the Many Cousins of Prince Harry and Prince William By Isabel Jones Isabel Jones Instagram Twitter Isabel is an Oregon-born and Brooklyn-based writer and editor with a special interest in pop culture. InStyle's editorial guidelines Updated on October 10, 2018 @ 10:00PM Pin Share Tweet Email There's a royal wedding happening, which means there are plenty of familiar faces — and some not-so-familiar ones, too. Anyone who follows the royals knows that there's more to the family than just William and Harry. With so many royal guests attending Princess Eugenie's wedding, here's a primer on who's who and exactly how they figure into the family. Photo Illustration. Photos: Getty Images Lady Amelia Spencer Martin Fraser/Getty Images Birthdate: July 10, 1992 How she plays into the royal family: Amelia is the second born (along with twin sister Eliza) to parents Earl Charles Spencer and model Victoria Aitken. Lady Eliza Spencer Martin Fraser/Getty Images Birthdate: July 10, 1992 How she plays into the royal family: Twin sister to Amelia. Also a fan of fascinators. Lady Kitty Spencer Birthday: December 28, 1990 How she plays into the royal family: She's a sibling to the twins. She's also a model. Princess Eugenie Will Likely Wear This "Ancestral" Tiara to Her Wedding Louis Spencer, Viscount Althorp Max Mumby/Indigo/Getty Images Birthday: March 14, 1994 How he plays into the royal family: He's the heir apparent to the earldom of Spencer. Why? Because of old British laws, Lord Althorp, not his eldest sister, inherits the estates and title. Lady Charlotte Diana Spencer Born: 2012 How she plays into the royal family: Her dad's Princess Diana's brother, Earl Spencer. Lady Lara Spencer Born: 2006 How she plays into the royal family: Princess Diana's neice, Lady Lara lives with her mother, who keeps her away from the media. Her parents, Charles Spencer 9th Earl Spencer and Caroline Freud, divorced in 2007. Edmund Charles Spencer Born: 2003 How he plays into the royal family: Like his sister, Lara, Edmund lives with his sister and stays out of the spotlight. George Edmund McCorquodale Lewis Whyld - PA Images/Getty Images Birthday: November 17, 1984 How he plays into the royal family: Another one of Princess Diana's nephews. He was married in South Africa back in 2016. Harry attended, but William and Kate didn't, since they were on holiday with their kids. Celia Rose McCorquodale Max Mumby/Indigo/Getty Images Born: 1989 How she plays into the royal family: Sister to George Edmund, she's the daughter of Lady Sarah McCorquodale, Princess Diana's sister. Princess Eugenie's Wedding Party Includes the Daughter of an English Rock Star Emily Jane McCorquodale Max Mumby/Indigo/Getty Images Birthday: July 2, 1983 How she plays into the royal family: Princess Diana's niece. She was diagnosed with cancer, but is now in remission. She got married in 2012. Laura Jane Pettman Chris Jackson/Getty Images Birthday: July 19, 1980 How she plays into the royal family: Princess Diana's niece. Alexander Robert Fellowes David M. Benett/Getty Images Birthday: March 23, 1983 How he plays into the royal family: Princess Diana's nephew, he has two children: Robert George and Rose Jane Fellowes. Eleanor Ruth Fellowes Georges De Keerle/Getty Images Birthday: August 20, 1985 How she plays into the royal family: Harry and William's first cousin. Zara Tindall Max Mumby/Indigo/Getty Images Birthday: May 15, 1981 How she plays into the royal family: Daughter of Princess Anne and Mark Phillips and the eldest granddaughter of Queen Elizabeth II. She's a pro equestrian. This Is How Much Princess Eugenie's Royal Wedding Will Cost Peter Phillips Max Mumby/Indigo/Getty Images Birthday: November 15, 1977 How he plays into the royal family: His mom is Princess Anne. He also got married at St. George's chapel back in 2008. Princess Eugenie of York David M. Benett/Getty Images Birthday: March 23, 1990 How she plays into the royal family: Younger daughter of Prince Andrew, the Duke of York, and Sarah, Duchess of York. She's ninth in line for the throne. Princess Beatrice of York Chris Jackson/Getty Images Birthday: August 8, 1988 How she plays into the royal family: The daughter of Prince Andrew, the Duke of York, and Sarah, Duchess of York. She's number eight in line for the throne. Lady Louise Windsor Max Mumby/Indigo/Getty Images Born: 2003 How she plays into the royal family: She's Prince Edward's only daughter. James, Viscount Severn Max Mumby/Indigo/Getty Images Born: 2007 How he plays into the royal family: He's the only son of Prince Edward and 11th in line for the throne.