Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died at the age of 22. He passed away on March 1 from POLG Mitochondrial disease, a rare genetic ...

There was a special view of King Frederik and Queen Mary's first balcony appearance as monarch and consort from inside the palace Stephanie Petit is a Royals Editor, Writer and Reporter at PEOPLE.

Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, left behind a lasting legacy following his death at age 22 this month. The beloved royal died on March 1 ...

Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died. He was 22. Frederik died from a rare genetic condition called POLG Mitochondrial disease, his ...

Prince Frederik, son of Prince Robert of Luxembourg, has died from a rare genetic disease, his father announced. He was 22. Robert and his wife, Princess Julie of Nassau, announced Frederik's death on ...

Prince Frederik’s family has shared a new photo of the late royal exclusively with Us Weekly. Luxembourg’s Prince Robert announced his son died at just 22 following a battle with PolG Mitochondrial ...

King Frederik and Queen Mary have been quietly spending time with their family at their summer residence, Gråsten Palace, in the Jutland region of Denmark. But the Danish royal couple are set to shake ...

Prince Frederik of Luxembourg has died of the rare genetic disease he was born with 22 short years ago after saying goodbye to his family on Rare Disease Day Feb. 28. Frederik’s legacy is the POLG ...