royal couple watch nation s mood prince charles and camilla parker bowles are awaiting the nation s reaction after announcing they are to be married on 8 april.  mrs parker bowles will take the title hrh duchess of cornwall after a civil ceremony to be held at windsor castle. a daily telegraph poll of 1 313 people suggests two-thirds of britons support the couple s decision to marry. but only 40% think mrs parker bowles should become princess consort as planned after charles becomes king. some 47% believe she should have no title  while 7% think she should become queen.  the poll also found that the majority of britons would prefer the monarchy to miss a generation  with the queen handing the throne to her grandson prince william  22  on her death or abdication. on thursday night  prince charles  56  and mrs parker bowles  57  hosted a dinner at windsor castle  their first public appearance since announcing their engagement. mrs parker bowles said the prince went down on one knee to propose and added:  i m just coming down to earth.  she displayed her diamond engagement ring - a royal family heirloom - to reporters. charles said he and his wife-to-be were  absolutely delighted . their marriage will end years of speculation on a relationship which dates back to 1970.  the queen and duke of edinburgh said the news had made them  very happy . princes william and harry said they are  very happy  and wish the couple  all the luck in the future . the wedding will be a civil ceremony followed by a service of prayer and dedication in st george s chapel at which the archbishop of canterbury  dr rowan williams  will preside.  the marriage is likely to be a sensitive issue because mrs parker bowles is divorced and her former husband is still alive. if he became king  charles would be the supreme governor of the church of england and some anglicans remain opposed to the remarriage of divorcees.  his divorce from diana and the disappointment the country felt over how diana had been treated... opened up a sense of disillusionment with [prince charles]   said ros coward  who wrote the authorised biography of diana  princess of wales. the archbishop of canterbury said:  i am pleased that prince charles and mrs camilla parker bowles have decided to take this important step.  tony blair said he was  delighted  for the couple and offered his congratulations  as did conservative leader michael howard and liberal democrat leader charles kennedy. australia s prime minister john howard also offered his congratulations  adding that their decision to marry was a  sensible and a good thing . mrs parker bowles has joined the prince at numerous engagements in recent years - mostly at evening events for the prince s trust. clarence house staff were at pains to point out that she attended these events in a private capacity.