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

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

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

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

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

POLG-related diseases disrupt the function of the mitochondria, or "powerhouses" of the cell — starving them of energy.

Director Mei Fa Tan spoke out about her experience working with the son of Prince Robert of Luxembourg and Princess Julie of ...

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

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

The filmmaker who chronicled Prince Frederik of Luxembourg’s battle with the rare genetic disorder PolG has shared her experience working with the royal, who passed away on Mar. 1 at 22.