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

If you're anything like you, then you're always obsessed with the sweetest photos of royal children. The little tots always ...

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

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 ...

After the 22-year-old prince of Luxembourg tragically died March 1 following a battle with PolG mitochondrial disease, a rare genetic disorder, his father Prince Robert—who shares Frederik ...

Prince Frederik of Luxembourg, the son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died at the age of 22. Prince Robert shared the news in a statement on the website for the ...

Prince Frederik of Luxembourg died on March 1, his family wrote in an emotional statement last week. He was 22. The young prince, who is the son of Prince Robert of Luxembourg and Princess Julie ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died after a lifelong battle with a rare genetic disorder known as POLG ...