London — A book to be published this week says that Britain's Queen Victoria may have been illegitimate, possibly undermining the whole Royal Family's legitimacy, the Sunday Times reported. In his book The Victorians, acclaimed biographer A.N. Wilson alleges that Victoria's mother, Princess Victoire of Leiningen, had a lengthy affair with her Irish-born secretary Sir John Conroy and that he, rather than Prince Edward, the Duke of Kent, was Victoria's real father. Buckingham Palace said it would not comment on the allegation. Mr. Wilson based his argument partly on medical data, the newspaper said. Records show that the illness porphyria...