Choosing to name the baby after his uncle, Prince William, would be a lovely gesture, but it's also the name of his Norman ancestor, William the Conqueror, who invaded England, bringing about radical change in medieval times. And another great
William is the saint who was an English priest who traveled to Denmark to evangelize the country. He courageously admonished a Danish king to defend the Church. Luckily he survived, absolved the king of his crimes, and the two became close friends.