Prince Frederik, the son of Europe's Prince Robert of Luxembourg, has died from a rare genetic disease, his family announced.

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 of Luxembourg's family has shared a poignant new photo of the late royal taken before his death at the age of ...

Luxembourg's Royal Family has announced the death of Prince Frederick at 22 years old.

Prince Frederik of Luxembourg, who died at 22, spoke about the rare genetic disorder he navigated in a video released by The PolG Foundation he founded.

The prince of a small nation in western Europe has died at the age of 22 from a rare genetic condition. Prince Frederik was the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau ...

Prince Frederik was diagnosed with the mitochondrial disease PolG at age 14 and dedicated his life to combating the genetic disorder ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died at 22 ...

The prince had PolG disease, a genetic mitochondrial disorder that prevents the body's cells from producing adequate energy.

Prince Frederik, at the age of 22. The cousin of Henri, Grand Duke of Luxembourg - whose shock abdication last year ended a glorious 24-year reign - revealed his son died on March 1, following a ...

Prince Frederik of Luxembourg has died at the age of 22 from a rare genetic condition, according to a statement from his father, Prince Robert of Luxembourg, through the family's foundation. "It is ...