Prince Frederik, 22, was a founder and the creative director of a foundation that raised awareness of POLG disorder.

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

The future King of Luxembourg has made his first public appearance at the age of four. Prince Charles of Luxembourg, the son of Hereditary Duke Guillaume and Hereditary Duchess Stéphanie, made his ...

Prince Frederik of Luxembourg, who died at 22, spoke about the rare genetic disorder he navigated in a video released by The ...

The future Grand Duke of Luxembourg, Prince Charles, stole the show when his parents, Hereditary Duke Guillaume and ...

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

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

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

Prince Frederik of Luxembourg has passed away at the aged 22 due to a rare genetic condition. The son of Prince Robert of ...

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