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

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

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

The beloved royal died on March 1 from POLG Mitochondrial disease — a rare genetic disorder that affects approximately one in ...

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 died on March 1, his family wrote in an emotional statement last week. He was 22.

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

Prince Frederik of Luxembourg has died from a rare genetic disorder. His father, Prince Robert, shared the news through the ...

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

Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, died at age 22 on March 1 from ...

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