Prince Frederik of Luxembourg, son of Prince Robert, passed away at 22 from POLG mitochondrial disease, leaving a lasting ...

The royal family of Luxembourg is currently in mourning, as Prince Frederik of Luxembourg—the youngest son of Prince Robert ...

Prince Frederik of Luxembourg died on March 1, his family wrote in an emotional statement last week. He was 22.

Prince Frederik of Luxembourg, the son of Prince Robert and Princess Julie of Nassau, passes away at 22 in Paris. He battled ...

Prince Frederik, the son of Prince Robert of Luxembourg, passed away at the age of 22 due to a genetic disorder. He was born ...