Kate Middleton announces she has cancer

Royal experts are weighing in on how Kate Middleton's cancer diagnosis in a video message Friday will effect Prince William and Prince Harry's rocky relationship.

Harry and Meghan Markle publicly supported Middleton after her announcement

"We wish Kate and the family health and healing and hope they can do so privately and in peace," a Sussexes spokeswoman told Fox News Digital.

Friday's "The Story with Martha MacCallum" featured royal analyst Neil Sean discussing the princess's message and Harry and William's relationship.

Sean replied, "You lean on the closest to you, don't you, and that is the problem," of William and Harry. "I think it's very difficult because Prince William is a very sort of strong, 

determined person, and he feels incredibly hurt by what has gone on and what has come out directly from his younger brother's mouth."

Sean highlighted Harry's explosive "Spare" memoir and Markle and Sussex's claims against the royal family on Netflix's "Harry & Meghan" docuseries. 

Sean said Harry must be "very anxious" about Kate's health due to his lack of access to the royal family and knowledge of sensitive information.

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