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

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

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 ...

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

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

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

Prince Frederik of Luxembourg has died at the age of 22 after a lifelong battle with POLG mitochondrial disease, a rare ...

Prince Frederik of Luxembourg has died at the age of 22 from a rare genetic condition, according to a statement from his ...

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 ...