Prince Frederik of Luxembourg's family has shared a poignant new photo of the late royal taken before his death at the age of ...

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

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

Prince Frederik of Luxembourg, son of Prince Robert and Princess Julie of Nassau, passed away at 22 in Paris due to POLG mitochondrial disease. Diagnosed at 14, Frederik advocated for research and ...

Prince Frederik of Luxembourg spoke about his PolG diagnosis and what brought him solace in an emotional video that has ...

Grand Ducal Family of Luxembourg/Instagram Prince Frederik of Luxembourg spoke about his PolG diagnosis and what brought him solace in an emotional video that has resurfaced following his death ...

Prince Frederik of Luxembourg passed away at the age of 22 after a lifelong struggle with POLG mitochondrial disease, a rare genetic disorder. Frederik, the youngest son of Prince Robert of ...

Prince Frederik of Luxembourg died on Feb. 28 after years of being diagnosed with a rare mitochondrial disease, according to a statement issued over the weekend by his parents, Prince Robert and ...

Prince Frederik of Luxembourg died on Feb. 28 after years ... Frederik was born with PolG disease, a genetic mitochondrial disorder that prevents the body’s cells from producing adequate energy ...