PRINCE Harry is set to ask his cousin Princess Eugenie to help with his explosive memoir.
Harry, 36, is bringing out the book next year with celebrated ghostwriter JR Moehringer.
Eugenie, 31, remains an ally to Harry — who upset other family members including brother Wills and dad Charles, with Megxit and public outbursts.
Pulitzer Prize-winner Moehringer, 56, is expected to bypass formal channels and contact the duke’s inner circle via Harry.
An insider said: “I could only imagine Eugenie talking or being approached as she is someone Harry is still in regular contact with.”
Eugenie knew Meghan after working and living in New York and introduced her to Harry. Her husband Jack Brooksbank, 35, is also close to the Duchess.
The couple, who have six-month-old son August, have also been gifted the Sussexes’ former home, Frogmore Cottage.
Sources say authors writing royal books regularly contact the Palace for interview requests but are usually rebuffed.
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The Duke is said to have put royal noses out of joint by asking Princess Diana’s friends and family their memories of his mother — before news of the memoir broke last month.
It rumoured to be part of a £14million “multi-book”’ deal.
Buckingham Palace did not want to comment.