ITV report from royals editor Chris Ship.“The guest list of those attending Christmas lunch back at Sandringham House is being radically altered,” says Ship, “and will include many members of Queen Camilla’s family for the first time.”During an interview with People, royal biographer Ingrid Seward predicted that Queen Camilla would begin to play a large role in hosting the holiday festivities following Queen Elizabeth’s death saying Camilla “will be a real presence” and “can’t have [Charles] hosting his first Christmas on his own.”“Charles has always been very, very fond of Sandringham,” Seward added. “Christmas within any family is always about tradition.