Luxembourg's Royal Family has announced the death of Prince Frederick at 22 years old.

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

Prince Frederik —the son of Prince Robert of Luxembourg, the first cousin of Grand Duke Henri, the current ruler of ...

Frederik's father Prince Robert of Luxembourg announced the incredibly sad news via The POLG Foundation website. The young ...

The beloved royal died on March 1 from POLG Mitochondrial disease — a rare genetic disorder that affects approximately one in ...

Prince Frederik of Luxembourg has died from a rare genetic disease, his family announced yesterday. He was 22.

Prince Frederik of Luxembourg has passed away at the age of 22 after a long battle with POLG mitochondrial disease, his ...

Tributes have been paid to Prince Frederik of Nassau, who has died aged 22 in Paris from a genetic disease. A statement from ...