Prince William will break with royal rules and travel with baby George to Australia in breach of protocol about direct heirs flying together Duke and Duchess of Cambridge will take son with them on official tour The couple will also fly with the baby in break with royal tradition Past generations left children at home with governesses when travelling The Cambridges will visit New Zealand and Australia in April The Duke and Duchess of Cambridge are known for doing things their own way â€" and their forthcoming tour to Australia and New Zealand looks set to follow that trend. William and Kate are planning to take Prince George with them when they head down under in April, but that will not be the only break with Royal tradition. The Mail on Sunday has been told that the couple plan to fly with their son, who will be nine months old, breaching protocol about direct heirs in line to the throne flying together. The Duke and Duchess of Cambridge will bring their baby George with them when they travel to Australia in April While a spokesman said the couple will make a final decision â€˜closer to the time,â€™ sources say the Duke and Duchess intend to fly as a family. The budget-conscious Cambridges are also keen to keep costs down. An aide told The Mail on Sunday: â€˜Itâ€™s a long way to fly, and thereâ€™s a cost implication if they travel separately. Thereâ€™s no suggestion of them taking separate flights.â€™ Previous generations of the Royal Family, including the Queen, carried out tours without their children who were left behind with governesses. The couple, pictured here in Singapore, will break with tradition to bring their son on the tour The Cambridges will be overseas for almost a month. They will visit New Zealand first for about ten days before spending a similar length of time in Australia. The Mail on Sunday has been told that despite reports that Kateâ€™s mother Carole Middleton has been asked to join the Royal party as a nanny, she will not be on the trip.