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, son of Prince Robert, passed away at 22 from POLG mitochondrial disease, leaving a lasting ...

Prince Frederik of Luxembourg died at the age off 22 last month from a rare genetic disorder, his parents Prince Robert and ...

After Prince Frederik of Luxembourg died from PolG mitochondrial disease, a rare genetic disorder at only 22, his father Prince Robert detailed his final moments.

Prince Frederik of Luxembourg died on March 1, his family wrote in an emotional statement last week. He was 22.

Kate Middleton's return to the Commonwealth Day celebrations on Monday, March 10, was a masterclass in royal symbolism and ...

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

Middleton — who scaled her royal schedule back last year due to her cancer diagnosis — joined Prince William, King Charles, ...

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

The Commonwealth service began around 3 p.m. U.K. time, and upon their arrival at Westminster Abbey, the royals were greeted ...

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

I've seen the royal family visit their fair share of Commonwealth nations, from Prince William's recent adventures in South ...