Prince Frederik of Luxembourg's family has shared a poignant new photo of the late royal taken before his death at the age of ...

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

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, left behind a lasting legacy following his death at age 22 this month. The beloved royal died on ...

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

In his message announcing Frederik’s death, Prince Robert praised his son’s tireless efforts to raise awareness about the disease and fund research to find a cure for PolG, calling him ...

Prince Frederik of Luxembourg has died at the age of 22 from POLG mitochondrial disease, a rare genetic disorder that he was born with, his family announced. Frederik de Nassau died in Paris 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 ...

The convicted killer set an early-morning fire in Mercer County that killed his 9-month-old daughter and three of her family ...