Meghan Markle will be ‘snubbing’ the royal family if she chooses not to join Prince Harry when he returns to the UK this summer, a royal expert has claimed. The Duchess of Sussex, 39, who is currently living in her $14million mansion in California having stepped back from her royal duties last year, is ‘unlikely’ to accompany Prince Harry, 36, when he visits his family for the first time since Megxit, sources revealed this weekend. Insiders said the Duke of Sussex is currently planning to fly to the UK to see the Queen, Prince Charles and Prince William – along with his niece and nephews – without Meghan and, probably, their 18-month-old son Archie. Royal expert Nigel Cawthrone, author of the book Prince Andrew, told FEMAIL the decision would be a ‘snub’ from the duchess and would cast a ‘dark shadow’ over the Firm’s summer celebrations. He claimed: ‘If Meghan decided not to attend for no reason it would indeed be a snub to her royal in-laws and mark a nadir in the relations between the royal family and the Sussexes.’ It comes following reports Meghan erased her first names from Archie’s birth certificate in favour of Her Royal Highness the Duchess…