( NewsNation) — Prince Frederik of Luxembourg has died at 22 from POLG mitochondrial disease, a genetic disorder he has had ...

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

Prince Frederik of Luxembourg has died after a lifelong battle with a rare genetic disorder known as POLG mitochondrial ...

Prince Frederik of Luxembourg died from a genetic disease called PolG, but experts hope his passing could bring more ...

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

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After Prince Frederik of Luxembourg died from PolG mitochondrial disease, a rare genetic disorder at only 22, his father Prince Robert detailed his final moments.

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

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