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.

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 ...

Luxembourg's royal family is speaking out against an imposter. Just days after the heir to the Luxembourg throne, Prince Guillaume, welcomed his first child, the palace denounced a Twitter account ...

(NewsNation) — Prince Frederik of Luxembourg has died at 22 from POLG mitochondrial disease, a genetic disorder he has had since birth. The family announced his death one day after Rare Disease Day, ...