Princess EugenieandJack Brooksbankpaid tribute to their family when choosing the perfect name for their newborn, sonAugust Philip Hawke Brooksbank.

The couple, who welcomed their first child on February 9, revealed their son’s name on Saturday, which includes a loving nod to Eugenie’s grandfather,Prince Philip.

“On his grandfather’s birthday weekend, thinking of my grandfather, we are introducing our little boy,” Eugenie, 30, wrote on her Instagram Story, referring to both her father,Prince Andrew, as well as the Duke of Edinburgh, who iscurrently in the hospitalfor “observation and rest” after “feeling unwell,” according to Buckingham Palace.

“He is named after his great grandfather and both of his great x5 grandfathers,” Eugenie added alongside asweet family photo.

Prince Philip, Jack Brooksbank and Princess Eugenie with son.Samir Hussein-Pool/WireImage; Princess Eugenie and Jack Brooksbank via Getty Images

Prince Philip, Princess Eugenie

Jack Brooksbank, Princess Eugenie and son.

Jack Brooksbank, Princess Eugenie and son

In addition to the sweet tribute to Philip, 99, the couple also chose to honor one family member from Eugenie’s side and another from Jack’s.

The rest of his moniker comes from a 5x grandfather on Jack’s side, Rev. Edward Hawke Brooksbank.

Jack Brooksbank, Princess Eugenie and their son.Princess Eugenie Instagram

Princess Eugenie

“We wanted to introduce you to August Philip Hawke Brooksbank,” Eugenie captioned the post. “Thank you for so many wonderful messages. Our hearts are full of love for this little human, words can’t express. We are excited to be able to share these photos with you.”

Sarah Fergusonalso shared a sweet post in honor of her grandchild, whom she called a “beautiful blessing.”

“As Grandparents, The Duke and I are thrilled and blessed at the arrival of our grandson August Philip Hawke Brooksbank,” she wrote on Twitter.

“He is a beautiful blessing and a bringer of such love and joy to all our Family. I am so proud of Jack and Eugenie, they are and will be wonderful parents,” she added.

The couple welcomed their son on Feb. 9, and posted the veryfirst photoof their new family of three shortly after the birth.

Eugenie is “doing really well” after having aC-section due to her previous spinal surgery for scoliosis, a source who has spoken to the new mom since the birth tells PEOPLE in this week’s issue.

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source: people.com