King Charles III's relationship with brother Andrew Mountbatten-Windsor is "beyond repair," according to a royals expert, Wonderwall.com can report. The cancer-stricken monarch's bond with the former Duke of York is now so strained, it's unlikely Charles, 77, and Andrew, 66, will ever be seen together in public again, even at family Christmases at Sandringham, a new report suggests. On the growing resentment between the brothers, royal biographer Andrew Lownie told HELLO!, "I don't think we'll see Andrew at Charles' funeral.