The Archduchess, who lived in Nice, leaves behind her husband  Archduke Carl Christian and their five children.

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 ...

Wendy Williams reportedly threw a desperate note out of her assisted living facility window, pleading for help. Police were ...

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

Prince Frederik of Luxembourg dies at 22 of rare disease PolG US Pilot Landing Powerful CH-47 on Massive Sea Base in Middle of the Ocean Trudeau's final warning to Canadians cemented his legacy ...

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

Prince Frederik of Luxembourg, 22, succumbed to POLG mitochondrial disease. Despite his struggles, he raised awareness ...

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 second cousin of the heir to the Luxembourg throne, discovered at age 14 that he had a mutation in his ...

World Trending - A ship considered the safest in the world long before the Titanic endured a similar fate. The steel steamer ...

Prince Frederik was diagnosed with the mitochondrial disease PolG at age 14 and dedicated his life to combating the genetic ...