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

The Archduchess, who lived in Nice, leaves behind her husband  Archduke Carl Christian and their five children.

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

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

The Austrian royal family has gone into mourning following the death of Archduchess Estelle, who died at the start of the month.

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

Two weeks after Prince Frederik of Luxembourg died from POLG, a documentary filmmaker has revealed that the 22-year-old struggled to "get up by himself" as he battled the rare genetic disorder in an ...

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

Australian researchers are providing new hope for a cruel killer disease with royal connections. Called mitochondrial disease ...

Director Mei Fa Tan spoke out about her experience working with the son of Prince Robert of Luxembourg and Princess Julie of ...