Prince William and the Duchess of Cambridge visit the Secretary of State's annual Garden party at Hillsborough Castle in Belfast

The Duke of Cambridge,Prince William and his wife Kate,Duchess of Cambridge,are expecting their third child,Kensington Palace in London,UK,has announced.

Prince William and the Duchess of Cambridge visit the Secretary of State’s annual Garden party at Hillsborough Castle in Belfast

The Royal couple who have two children ,George and Charlotte,aged four and two respectively,were on an official visit to Poland in July.

According to the statement,Her Majesty The Queen and both families are delighted with the news and Her Royal Highness Catherine is being cared for at Kensington Palace in London,the statement said

She will no longer carry out her planned engagement at the Hornsey Road Children’s Centre in London today.

The child will be Her Majesty The Queen Elizabeth II’s sixth great – grandchild,according to BBC reports.