Princess Kate celebrates family milestone as nephew turns same age as Prince Louis

The Princess of Wales is a doting aunt of four, with her eldest nephew celebrating his sixth birthday today.

By Lauren Welch, Royal Reporter based in London

The Princess of Wales

The Princess of Wales has celebrated her nephew's sixth birthday (Image: GETTY)

The Princess of Wales is celebrating her eldest nephew Arthur turning six today - the same age as her son, Prince Louis.

The milestone marks the royal's first major celebration since announcing that she had reached the end of her chemotherapy last month.

Arthur is her sister's eldest - and only - son. Pippa, 41, also shares two daughters - Grace, three, and Rose, two - with her husband James Matthews. The Princess of Wales is also aunt to her brother James's one-year-old son, Inigo.

Both James and Pippa and their families live close to the Prince and Princess of Wales in Berkshire, with their parents Carole and Michael Middleton also nearby.

James recently opened up about his close relationship to his two sisters - and how his young nieces and nephews dote on his son.

pippa middleton

Arthur, six, is Pippa Middleton's only son (Image: GETTY)
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Writing in a column for The Telegraph, James said: "We'll often stop at my parents' house for tea or supper. My sisters and I are all within 30 minutes' drive, so there is often an aunt or a cousin passing through, too.

"The cousins all play their role in looking after Inigo – there's seven of them altogether at the moment.

"I think they're all impressed at how much of a mess Inigo can make. But there's lots of laughter and giggles about."

Ahead of the release of his book 'Meet Ella: The Dog Who Saved My Life', James opened up to HELLO! and revealed how he took parenting advice from his sisters.

He wrote: "It's been wonderful, seeing them become mothers and being so dedicated and strong. I'm in awe of that.

"I've been fortunate to see how my sisters have done it and take tips along the way – some I take on board, and others I'm like: 'Hmm.'"

Discussing borrowing their children's hand-me-downs for his own son, the 37-year-old added: "They are milestones, because [my sisters] remember when their child was wearing something, and how old they were – it takes them back. It's been a lovely thing for them."

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