Luxembourg’s royal family are in mourning after the death of a young prince who had lived with a rare genetic condition. Prince Frederik died on March 1 2025 in Paris at the age of

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 disorder.

Prince Frederik of Luxembourg, the youngest son of Prince Robert and Princess Julie, has died at the age of 22 after a long battle with a rare genetic condition