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

Commissioned by Frederik’s mother, Princess Julia of Nassau, to helm an educational short film about the disease with ...

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

Prince Frederick of Luxembourg died at the age of 22 — he suffered from a rare genetic disease, writes The Sun. The death of ...

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

Prince Frederik of Luxembourg had suffered from a rare disorder known as POLG Mitochondrial disease since the age of 14 and ...

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

The young man suffered from a rare disease known as POLG, which deprives cells of energy, causing progressive dysfunction and ...

His father announced the news on the POLG foundation websitePrince Robert of Luxembourg has announced the death of his ...

Prince Frederik, 22, was a founder and the creative director of a foundation that raised awareness of POLG disorder.

Cain, 3rd Baron Brocket, has separated from her husband of five years, Queen Victoria's great-great-great-great grandson ...

Frederik passed away after battling a rare genetic condition, POLG Mitochondrial disease, a disorder that caused progressive ...