Prince Philip's great niece has hailed her late great uncle as an "idol" Princess Xenia of Hohenlohe-Langenburg, the granddaughter of Philipâs late eldest sister, Princess Margarita, was speaking from Munich, Germany, ahead of The Duke of Edinburgh's funeral at 3pm today (17.04.21), which will see her brother, Philipp, Prince of Hohenlohe-Langenburg, in attendance on behalf of her branch of the family due to COVID-19 restrictions 20 April 2021 And Xenia described the longest-serving consort - who passed away on April 9, at the age of 99 - for being the "glue" who kept many members of his German Royal Family together over the years.