King Charles III was briefly hospitalized March 27 amid his ongoing cancer battle, Buckingham Palace said in a statement obtained by E! News.

The Austrian royal family released a statement saying Archduchess Estella of Austria died aged 46, leaving behind her husband ...

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

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

Commissioned by Frederik’s mother, Princess Julia of Nassau, to helm an educational short film about the disease with Frederik at its center, director Mei Fa Tan said she was left “inspired” by the ...

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 Robert ...

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 has died at the age of 22. The young royal suffered from the rare genetic disease POLG, which led to progressive organ failure. What exactly is POLG disease?

Frederik was diagnosed with PolG mitochondrial disease ... Frederik's father Prince Robert is a first cousin of Grand Duke Henri of Luxembourg, and the young royal spoke about how PolG changed ...

Tributes have been paid to Prince Frederik of Nassau, who has died aged 22 in Paris from a genetic disease. A statement from his family after his passing said the young Luxembourg royal had “a special ...