Prince Philip celebrated his 99th birthday this year with the Queen in Windsor Castle. At 100, the Queen traditionally writes you a letter to congratulate you.But there is some confusion as to what Prince Philip’s real age actually is.A new biography claims there was a mix-up about when the Duke was born, leading to some confusion over his exact age.Royal biographer Ingrid Seward explained in her new book Prince Philip Revealed, that there is some debate about his birthday.So will he get a letter from his wife next year?Well Philip was born in Greece, to the Greek royal family, as the youngest of five.Ms Seward explains: “Entry number 449 in the Corfu Register of Births shows that on May 28, 1921, a son was born to Prince Andrew of Greece,.
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