Kensington Palace officials said Wednesday the family is headed to Anmer Hall, their restored country mansion on Queen Elizabeth II's Sandringham estate.
They are expected to stay there for several weeks as they get used to taking care of a toddler and an infant.
Princess Charlotte was born four days ago. She has already met close family members including her great-grandmother, the queen.
William is on paternity leave from his new job as an air ambulance pilot.
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