Princess Kate’s younger sister, Pippa Middleton, has been called the Princess of Wales’ “rock,” in the wake of the future queen’s cancer diagnosis. “We know that she’s got a very close and supported family, and secondly, that the support is under the radar,” royal expert Richard Fitzwilliams told an outlet when discussing Kate’s illness. “The Middletons are clearly a very, very important part of her and William’s life,” he added. “At the moment absolutely pivotal. I would say. We know that there is a tremendously strong bond between her mother in her parents, also siblings, and also that they …
