Princess Diana’s brother Charles Spencer has alleged they were both physically abused by one of their nannies. The late Princess of Wales’ 59-year-old sibling, the 9th Earl Spencer, has claimed the nanny, who he referred to as Nanny Forster, “used to crack our heads together, if we were both found to have done something naughty, obviously without my father’s knowledge, but it really hurt.” He continued in a candid interview for BBC One’s ‘Sunday with Laura Kuenssberg’, which airs this weekend: “It wasn’t a tap on the wrist, it was a cracking crunch, you know, and I remember it still.” Charles …