Princess Claire of Luxembourg is 40...and looks fabulous in a new picture with her husband Prince Felix. Photos of the royal ...

The Luxembourg rouyal family dates back to the 18th century with years of rich culture and heritage. See inside their royal ...

P rince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, died in Paris at age 22 on March 1—a day after Rare Disease Day—of a rare genetic disease ...

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

Frederik and Guillaume share great-grandparents: Charlotte, Grand Duchess of Luxembourg, who reigned from 1919 to 1964, and her husband, Prince Félix. “When you’re a kid, you have all these ...

The filmmaker who chronicled Prince Frederik of Luxembourg’s battle with the rare genetic disorder PolG has shared her experience working with the royal, who passed away on Mar. 1 at 22.

Prince Frederik of Luxembourg, the youngest son of Prince Robert of Luxembourg and Princess Julie of Nassau, has died after a lifelong battle with a rare genetic disorder known as POLG ...

Prince Frederik of Luxembourg has died at the age of 22 from POLG mitochondrial disease, a rare genetic disorder that he was born with, his family announced. Frederik de Nassau died in Paris on ...

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