Prince William has chosen his brother Harry to be his best man at his wedding, while Kate Middleton's sister Philippa will be her maid of honour.
The couple will marry at Westminster Abbey on Friday, 29 April.
Among their four bridesmaids and two page boys will be two of Prince William's godchildren.
It is has also been announced that William, 28, and Kate, 29, will return to St Andrews University - where they first met - for an official engagement.
They will launch the university's 600th anniversary appeal on 25 February.
St James's Palace also revealed that Prince William has been named a patron of the appeal.
On 24 February, the couple will attend a naming ceremony for the Hereford Endeavour lifeboat at Trearddur Bay Lifeboat Station on Anglesey, where William is currently based as an RAF rescue helicopter pilot. BBC News
