Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died at the age of 22. He passed away on March 1 from POLG Mitochondrial disease, a rare genetic ...

Editorial Fellow Prince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, died in Paris at age 22 on March 1—a day after Rare Disease Day—of ...

Prince Frederik of Luxembourg, the youngest son of Prince ... Continue reading The prince died a day after Rare Disease Day, ...

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, aged 22, passed away from POLG mitochondrial disease, a rare genetic disorder. His father announced the news and praised Frederik's courage and dedication to raising ...