Prince Harry has long been described as Meghan Markle’s biggest supporter, but an alleged new request has reportedly left the Duke facing an awkward dilemma: stand firmly behind his wife or protect the fragile progress he may have made with his father, King Charles III.

The claim centres on the idea of commercial endorsements involving the monarchy — an area where royal protocol and commercial interests can become particularly complicated.

For Harry, that could create a serious headache.

After years of tension between the Sussexes and the Royal Family, any improvement in his relationship with Charles would carry considerable emotional weight. Harry has repeatedly spoken about his desire for his children, Archie and Lilibet, to maintain a connection with their royal relatives.

That makes the prospect of another public disagreement particularly sensitive.

According to the allegations, Harry is reportedly concerned that supporting a request for a royal commercial endorsement could place his relationship with Charles under unnecessary pressure.

It would also potentially create a difficult situation for Meghan.

The Duchess has pursued a number of business and lifestyle projects since stepping away from senior royal duties. But commercial activity involving the Royal Family can raise questions about whether royal status is being used for private gain.

That distinction is especially important after Harry and Meghan formally stepped back from their roles as working royals.

The couple have built a separate life in California, developing commercial projects while maintaining links to the institution they left behind.

For Harry, the balancing act could therefore be brutal.

He can support Meghan personally while still recognising that certain requests may be difficult for the Palace to accommodate.

And if the reported request were rejected, Harry could potentially find himself having to explain why.

That is where the alleged tension becomes more complicated.

The Duke may not want Meghan to feel that he is standing in the way of her ambitions. At the same time, he may not want to jeopardise a relationship with Charles that has reportedly shown signs of improvement.

After years of public disagreements, even a relatively small dispute could attract enormous attention.

Harry has already experienced the consequences of speaking publicly about his family. His memoir, interviews and documentary appearances turned private grievances into global headlines and deepened the divide between the Sussexes and other members of the Royal Family.

A return to open conflict would therefore be the last thing he needs if reconciliation is genuinely his priority.

There is also the question of expectations.

If Meghan’s reported request is connected to her commercial ambitions, a refusal from the Palace would not necessarily mean a personal rejection. It could simply reflect the boundaries surrounding royal titles, institutions and commercial endorsements.

Neither Buckingham Palace nor the Sussexes has publicly confirmed the reported request or Harry’s alleged reaction, so the details should be treated cautiously.

Still, the scenario highlights the difficult position Harry occupies.

He wants to support his wife. He wants to protect his relationship with his father. And he has every reason to avoid another royal row becoming a global spectacle.

Harry may be Meghan’s number one cheerleader — but when royal protocol enters the room, cheering from the sidelines could be his safest bet.