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

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

Lady Gaga wore custom LUAR and Robert Wun for her latest appearance on Saturday Night Live. One of the looks included a ...

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Prince Frederik of Luxembourg died at the age of 22 due to a rare mitochondrial condition called POLG disease— Newsweek has ...

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

Prince Frederik of Luxembourg asked his father one final powerful question before dying from a rare POLG Mitochondrial ...

Prince Frederik of Luxembourg, aged 22, passed away from POLG mitochondrial disease, a rare genetic disorder. His father ...

Prince Frederik of Luxembourg, the son of Prince Robert of Luxembourg and Princess Julie of Nassau, has passed away at the ...

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

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

A young member of the Luxembourg royal family has passed away from a rare genetic disorder affecting his mitochondria.