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

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 of Luxembourg died at the age of 22 due to a rare mitochondrial condition called POLG disease— Newsweek has ...

The Luxembourg Royal Family has announced the tragic passing of Prince Frederik, who was only 22 years old. Frederik's father Prince Robert of Luxembourg announced the incredibly sad news via The ...

Royal Family of Luxembourg/Instagram He then joined forces with designer Donna Karan to develop the MITO clothing line, selling items through his POLG Foundation to raise awareness and funds.

Prince Frederik of Luxembourg asked his father one final powerful question before dying from a rare POLG Mitochondrial ...

King Willem-Alexander and Queen Maxima looked almost unrecognisable on Friday when they were pictured volunteering at the ...

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.

The Duke of Westminster Hugh Grosvenor, who is King Charles III’s godson, announced that his wife Olivia Grosvenor is pregnant with their first baby March 12.

Prince Frederik, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died. He was 22. Frederik ...