The son of Prince Robert of Luxembourg and Princess Julie of Nassau, Prince Frederik, has died in Paris the age of 22 due to a rare genetic disorder – POLG Mitochondrial disease.

Prince 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 ...

Prince Frederik, 22, died from a mitochondrial disease known as PolG, his father, Prince Robert of Luxembourg, announced on the website of his son's foundation, the POLG Foundation.

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 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 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 ...

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.