Both Charles and his late mother refer/referred to the Duke of Kent as "Eddie Kent." His younger brother and sister-in-law are often called the Michael Kents.

I just find it telling that TOW says it's important she and *her* children share the same last name of Sussex. Well she, the kids, and Harry are all Mountbatten-Windsors, but now, apparently, only she and Archie and Lili are Sussexes. No Harry. That's interesting,