It has emerged that Archduchess Estelle of Austria, who was just 46, died earlier this month, leaving behind her five young ...

Prince Frederik of Luxembourg's family has shared a poignant new photo of the late royal taken before his death at the age of ...

Prince Frederik’s family has shared a new photo of the late royal exclusively with Us Weekly. Luxembourg’s Prince Robert ...

Two weeks after Prince Frederik of Luxembourg died from POLG, a documentary filmmaker has revealed that the 22-year-old ...

Mei Fa Tan spoke exclusively to Us Weekly about what it was like to work with Luxembourg’s Prince Frederik before his death ...

POLG-related diseases disrupt the function of the mitochondria, or "powerhouses" of the cell — starving them of energy.

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

The prince had PolG disease, a genetic mitochondrial disorder that prevents the body's cells from producing adequate energy.

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

The move will cost businesses and residents in each state up to $400,000 per day, and lift the average energy bill by about $100 per month, Premier Doug Ford said at a news conference. The province ...

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