Jenna Bush Hager Shares Rare Photos of Sister Barbara's Son, 3 Months, as He Celebrates His First Thanksgiving: 'Grateful'

Barbara Pierce Bush and her husband Craig Coyne share son Edward Finn, 3 months, and daughter Cora Georgia, 3

Jenna Bush Hager is celebrating her nephew's first Thanksgiving.

On Friday, Nov. 29, the Today with Hoda & Jenna co-host, 43, shared a carousel of photos from her Thanksgiving celebration on Instagram, including a few rare shots featuring her sister Barbara Pierce Bush, 43, and her son Edward Finn, 3 months. Barbara and her husband, Craig Coyne, welcomed their son in August and also share daughter Cora Georgia, 3.

In Jenna's post, the sisters can be seen matching in blue paper crowns and smiling together. The news anchor wraps her arm around Barbara, who is holding up little Edward for the camera.

Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories.

Related: Jenna Bush Hager Shares Festive Family Photos with Her 3 Kids from Thanksgiving Day

In another sweet snap, Edward joins his mom and aunt in rocking a paper crown. The 3-month-old sits in between Jenna and Barbara, while they each hold one of his hands.

More pictures from her celebratory carousel show Jenna with her husband Henry Hager, 46, and their three children, Mila, 11, Poppy, 9, and Hal, 5.

"GRATEFUL," she wrote in the caption.

The PEOPLE Puzzler crossword is here! How quickly can you solve it? Play now!

View this post on Instagram

A post shared by Jenna Bush Hager (@jennabhager)

Jenna announced that her sister Barbara welcomed a new addition to their family on Aug. 5, sharing a carousel of photos with her new nephew on Instagram.

"My sissy had a little mister and I fell madly in love with Edward Finn! ❤️