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

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

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

P rince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, died in Paris ...

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

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

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

Prince Frederik of Luxembourg died at the age of 22 due to a rare mitochondrial condition called POLG disease— Newsweek has ...

Prince Frederik of Luxembourg has died of the rare genetic disease he was born with 22 short years ago after saying goodbye ...

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

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

Frederik de Nassau died on March 1, in Paris, a day after internationally recognized Rare Disease Day, which takes place on ...