Article continues below advertisementPrince William and Kate Middleton were seen greeting King Charles as the royal family gathered at the Tuesday, September 16, funeral for Katharine, the Duchess of Kent.The ceremony may have been the first time the Prince and Princess of Wales saw the patriarch since he shockingly reunited with Prince Harry in the U.K. on September 10.Article continues below advertisementThe Royal Family Attends Katharine, Duchess of Kent's FuneralSource: megaKing Charles was greeted by Kate Middleton and Prince William at the Duchess of Kent's funeral.