Although I could be right that baby Cambridge will be called Princess Alexandra or Prince George, I also could be right that the Duke and Duchess may consider other previously used royal names.
The couple met at St. Andrew's University. They are unlikely to use Andrew as it is the name of William's uncle, the Duke of York.
How about Prince Alexander or Princess Margaret? Both are the names of Scots monarchs.
The family will be moving later this year into the late Princess Margaret's apartment at Kensington Palace.
Princess Margaret's granddaughter, the Hon. Margarita Armstrong-Jones, was one of the Duchess of Cambridge's bridal attendants.