Prince George and Princess Charlotte have a loving relationship with Queen Elizabeth II, Kate Middleton said. The Duchess of Cambridge also revealed what George affectionately calls his great-grandmother.

In her first solo TV interview, the 34-year-old duchess spoke favourably of the Queen, saying the how the British ruler shows her love for 2-year-old George and 10-month-old Charlotte.

“George is only two-and-a-half and he calls her ‘Gan-Gan.’ She always leaves a little gift or something in their room when we go and stay and that just shows her love for her family,” the Duchess was quoted by Hello magazine as saying.

It was first assumed that the little royal called the Queen either “granny” or “nanny.” A clip obtained by the Mirror hears his father, Prince William, coaxing his young son to Queen Elizabeth’s home.

The father and son, including Kate and Princess Charlotte, were walking from the Church after Charlotte’s christening on July 5, 2015. George was dragging behind, wanting to walk with the Middletons, Kate’s family, who were following from a distance. To wheedle George into walking with them, William told him that the rest of the family were following them.

“You coming? They’re coming. We can go back to granny’s,” the 33-year-old prince told the adorable tyke. To some onlookers, William sounded like he said “granny’s,” but he could also have said “nanny’s.”

Read: What Prince George calls his great-grandmother Queen Elizabeth

According to Hello magazine, Kate’s interview will appear in the ITV documentary “Our Queen at Ninety,” which will air on Easter Sunday in the UK. Queen Elizabeth II will turn 90 on April 21.

Kate will also be heard talking about how the Queen supports her in the interview. “She’s been very generous in not being forceful at all and in any of her views, but I feel she’s been there, a gentle guidance really for me,” she said.

“She was very supportive. The fact she took the time to make sure that I was happy and looked after for that particular occasion, which probably in everything that she’s doing is a very small element, it shows just how caring she is really,” Kate added, referring to a time when she was apprehensive when had to attend an engagement without William.

William, for his part, sees his grandmother as someone whose presence gives him security. “Growing up, having this figurehead, having this stability above me has been incredible. I have been able to explore, understand, slightly carve my own path. I greatly appreciate and value that protection,” he said in the show.