Meghan Markle Didn't Use Her Royal Title on Lilibet Diana's Birth Certificate — But Prince Harry Did

Baby Lili's birth certificate shows that she was born on June 4 at 11:40 a.m. in the Santa Barbara Cottage Hospital

The birth certificate for Meghan Markle and Prince Harry's daughter, Lilibet Diana, has been revealed — and her parents' names appeared differently than on brother Archie's certificate.

Lili's birth certificate, obtained by PEOPLE Tuesday, shows that she was born on June 4 at 11:40 a.m. in the Santa Barbara Cottage Hospital not far from Meghan and Prince Harry's Montecito, Calif. home.

Prince Harry's first name is listed as "The Duke of Sussex," with "His Royal Highness" as his last name. Meanwhile, Meghan did not use her royal titles, listing her full name Rachel Meghan Markle as the document required their legal names and her maiden name.

Archie's birth certificate was made public 11 days after his birth in May 2019. On their son's birth certificate, Harry's name was listed as "His Royal Highness Henry Charles Albert David Duke of Sussex" while Meghan was "Rachel Meghan Her Royal Highness The Duchess of Sussex."

Their occupations on Archie's certificate were listed as "Prince" and "Princess of the United Kingdom," although Meghan does not have a princess title. On the Californian birth certificate, parents' occupations are not included.

<a href="" data-inlink="true">Prince Harry</a> and Meghan, Duchess of Sussex, holding their son Archie
Meghan Markle, Prince Harry and Archie. Henk Kruger/AP/Shutterstock

As part of the couple's agreement with Queen Elizabeth last year, it was announced that Meghan, 39, and Harry, 36, would retain their His/Her Highness titles but no longer use them.

Although they are still the Duke and Duchess of Sussex, the couple have commonly styled themselves as simply "Harry and Meghan" since they stepped down from their royal roles.

<a href="" data-inlink="true">Prince Harry</a>, Duke of Sussex and Meghan, Duchess of Sussex
Meghan Markle and Prince Harry with Archie. Dominic Lipinski - WPA Pool/Getty Images

When Prince Charles becomes king, Archie and Lili will automatically inherit prince and princess titles as grandchildren of the monarch. Royal historian Robert Lacey told PEOPLE in this week's issue that he believes Charles will defer to tradition.

"I don't think he will make the unpopular and hostile move of removing the royal status of his grandchildren," said Lacey, who recently added chapters to his book Battle of Brothers: William, Harry and the Inside Story of a Family in Tumult.

<a href="" data-inlink="true">Meghan Markle</a>, <a href="" data-inlink="true">Prince Harry</a>
Meghan Markle and Prince Harry in 2018. Tabatha Fireman/Getty

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Meghan and Harry shared a personal message on their Archewell website to announce their second child's arrival earlier this month.

"On June 4th, we were blessed with the arrival of our daughter, Lili," they said. "She is more than we could have ever imagined, and we remain grateful for the love and prayers we've felt from across the globe. Thank you for your continued kindness and support during this very special time for our family."

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