William and Kate traveled from the hospital to their residence at Kensington Palace. 'They would also like to thank everyone for their warm wishes'.
The same company has been a major part of past royal births including providing shawls for Prince William, Prince George and Princess Charlotte.
The tweet also mentioned that the newborn's siblings Prince George and Princess Charlotte have now returned to Kensington Palace.
After several hours of labor, Duchess Kate gave birth at the prestigious Lindo wing of St. Mary's Hospital in London.
FA apologises to Tottenham, Man United for tweet mocking Harry Kane
But at Wembley in the Emirates FA Cup semi-final, it was his defensive game that was the eye-catcher. It's been a tough week, a tough week for the team.
In her appearance, which came just seven hours after she gave birth, Kate Middleton wore a red dress and white collar, which was nearly identical to the outfit Princess Diana wore when she first introduced Prince Harry to the world.
Kate will leave hospital late on Monday.
Diana delivered Prince Henry Charles Albert David at St. Mary's Hospital on September 15, 1984. He waited outside the hospital for two weeks. Wrapped in a white blanket and wearing a white hat, the baby appeared to be sleeping.
Traditionally, the birth of a male heir would have forced Prince Charlotte to relinquish her fourth position in line to the throne.
Princess Diana's memory lives on with touching tributes to William's mother.
Upon leaving the hospital, Kensington Palace released a statement on the pair's behalf, thanking well-wishers and their medical team.
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