Buckingham Palace says King Charles III was hospitalized for observation on Thursday after experiencing “temporary side ...

It was confirmed on Wednesday that Archduchess Estella of Austria passed away earlier this month, leaving her husband and ...

The Archduchess Estelle of Austria has died aged 46, it has been confirmed, leaving her husband, Archduke Carl Christian, and ...

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

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

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

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

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 ...

Affected populations: POLG-related diseases are a group of rare, incurable conditions caused by inherited gene mutations. These disease-causing mutations are carried by up to 2% of people of ...

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 ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert and Princess Julie, died earlier this month at the age of 22. He was suffering from POLG mitochondrial disease, a rare genetic ...

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 ...