He obviously came back for the funeral, so his decision was surprising to people.

There doesn’t seem to be much reason as to why he wouldn’t come."

But the young ages of the kids and how sad the funeral would be likely also played into it.

William and Kate in the Caribbean

That said, Louis' absence was not overlooked by royal fans.

“Unfortunately, Prince Louis is absent but completely understandable.

So happy to see Prince George and Princess Charlotte!!”

William and Kate arrive at Prince Philip’s memorial with George and Charlotte

Meanwhile, another person tweeted, “No Prince Louis.

He’s too wee for this, not yet 4.

Good to see Prince George and Princess Charlotte though.

The Cambridge family walks into the memorial

They certainly have grown.”

“I can’t imagine Prince Louis sitting still for long.

Imagine when we see Prince Louis again.”