Prince Frederik of Luxembourg died after years of being diagnosed with a rare mitochondrial disease called PolG.

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

Commissioned by Frederik’s mother, Princess Julia of Nassau, to helm an educational short film about the disease with ...

Prince Frederik, the son of Europe's Prince Robert of Luxembourg, has died from a rare genetic disease, his family announced.

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

Filmmaker Mei Fa Tan reflected on her experience working with Luxembourg’s Prince Frederik before his death at the age of 22.

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

his father Prince Robert—who shares Frederik, as well as kids Princess Charlotte, 29, and Prince Alexandre, 27, with wife Princess Julie—detailed his last hours. “Last Friday, February ...

Prince Frederik of Luxembourg has died of the rare genetic disease he was born with 22 short years ago after saying goodbye to his family on Rare Disease Day Feb. 28. Frederik’s legacy is the ...

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 ...

"Frederik's last question to me, prior to his other remarks was: 'Papa, are you proud of me?'" the 56-year-old said in a statement on the website of the late prince's PolG Foundation. "He had ...