By Bradley Jolly William, Prince of Wales, will now be “in protective mode” to support Princess Kate and their children, it is claimed. William, 41, will be reminded of his own personal tragedies, notably losing his mother Princess Diana, when he was just 15, it is said. A friend of the Waleses said: “Undoubtedly what has happened to him in his life [with his mother] has led him into the protection mode he is in now.” An aide added: “All he wants to do is protect his wife and children. The family just want to go away for Easter, spend time together, the five of them, close off from the world a…