Britain’s Prince Charles has announced that he will tie the knot with Camilla Parker Bowles. But the 56-year-old heir to the throne has ruled out Camilla ever becoming queen.They are to have a quiet civil ceremony in Windsor Castle on April 8. It will be a far cry from Charles’ dazzling church wedding to the late Princess Diana in 1981. They will then go on honeymoon in Scotland. After the marriage, Camilla, 57, will acquire the official title of Her Royal Highness The Duchess of Cornwall. Aware of public misgivings, Charles has agreed that Camilla will take the status of Princess Consort when he succeeds his 78-year-old mother, Queen Elizabeth II. The Queen and her husband Prince Philip, who were slow to accept the divorced mother-of-two, have wished the pair well. The Archbishop of Canterbury, the head of the Anglican church, called the marriage an important step. He will be presiding over “a service of prayer and dedication” after the civil ceremony.