P rince 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 a rare genetic disease ...

Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, died at age 22 on March 1 from ...

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 ...

Prince Frederik of Luxembourg has died from a rare genetic disorder. His father, Prince Robert, shared the news through the foundation started by his son.

The beloved royal died on March 1 from POLG Mitochondrial disease — a rare genetic disorder that affects approximately one in 5,000 people. The genetic disorder affects multiple organ systems and the ...

Frederik de Nassau died on March 1, in Paris, a day after internationally recognized Rare Disease Day, which takes place on the last day of February.

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

Prince Frederik of Luxembourg died at 22 after years of struggling with the rare mitochondrial disease PolG, according to a statement issued by his parents, Prince Robert and Princess Julie, on Monday ...