Princess Eugenie may have hinted that her kids are using the same moniker that she called her grandmother Queen ElizabethPrincess Eugenie is wishing her mother Sarah Ferguson a happy birthday with previously unseen photos of her as a grandmother.

Princess Eugenie and her sister, Princess Beatrice, have both kept their kids out of the royal spotlight, but on Tuesday, Oct. 15, Eugenie shared some rare photos of her youngest son, Ernest, to mark a milestone birthday for mom Sarah Ferguson, the Duchess of York.

Princess Eugenie celebrated her mom today with a loving tribute on Instagram that included candid family photos. In her post, timed to Sarah Ferguson’s 65th birthday, Eugenie shared snaps of the Duchess of York in full grandma mode,

The post, shared with Eugenie's 1.8 million social media followers, also included a never-before-seen picture of Sarah, also known as Fergie by her friends and family, holding the hands of the princess' son Ernest Brooksbank.

Prince Andrew's younger daughter Princess Eugenie has sent emotional message to her mother Sarah Ferguson to mark her milestone as the Duchess turn 65.In her tribute, Princess Eugenie posted

In a touching Instagram tribute, Princess Eugenie celebrates her mother, Sarah Ferguson's 65th birthday with unseen family photos and heartfelt messages. The Duchess of York's grandeur as a grandmother,

Princess Eugenie has sent an emotional birthday message to Sarah Ferguson on her 65th birthday. Eugenie posted a selection of photos of the Duchess of York including some with her own son Ernest. Others feature Eugenie,