Prince Frederik of Luxembourg, son of Prince Robert and Princess Julie of Nassau, passed away at 22 in Paris due to POLG mitochondrial disease. Diagnosed at 14, Frederik advocated for research and ...

Queen Mary and King Frederik will be setting sail this summer as they continue a centuries-old Danish royal tradition. The couple will board the Royal Yacht Dannebrog for the first time on 7 May ...

Prince Frederik spoke about how the diagnosis changed his life in the emotional video Janine Henni is a Royals Staff Writer for PEOPLE Digital, covering modern monarchies and the world's most ...

Prince Frederik of Luxembourg passed away at the age of 22 after a lifelong struggle with POLG mitochondrial disease, a rare genetic disorder. Frederik, the youngest son of Prince Robert of ...

Tributes have been paid to Prince Frederik of Nassau, who has died aged 22 in Paris from a genetic disease. A statement from his family after his passing said the young Luxembourg royal had “a ...

Prince Frederik of Luxembourg died on Feb. 28 after years of being diagnosed with a rare mitochondrial disease, according to a statement issued over the weekend by his parents, Prince Robert and ...

Prince Frederik, the second cousin of the heir to the Luxembourg throne, discovered at age 14 that he had a mutation in his POLG gene, which is involved in the replication and repair of DNA.

Prince Frederik of Luxembourg spoke about his PolG diagnosis and what brought him solace in an emotional video that has resurfaced following his death from the genetic disorder at age 22.

Prince Frederik of Luxembourg, aged 22, passed away from POLG mitochondrial disease, a rare genetic disorder. His father announced the news and praised Frederik's courage and dedication to raising ...