Prince Frederik of Luxembourg, the youngest son of Prince ... The prince died a day after Rare Disease Day, an international day of awareness for rare diseases. An estimated 300 million people ...

A medical breakthrough could result in the first treatment for rare but serious diseases in which genetic ... POLG mutations ...

A medical breakthrough could result in the first treatment for rare but serious diseases in which genetic defects disrupt cellular energy production.

Hereditary Grand Duke Guillaume's son channels Prince Archie in new pictures as he turns two The third in line to the Grand Duchy of Luxembourg celebrates his 2nd birthday today, and rare photographs ...

The son of former Queen Margrethe and Prince Henrik – and brother of King Frederik – made the candid ... two The third in line to the Grand Duchy of Luxembourg celebrates his 2nd birthday today, and ...

Prince Frederik, the youngest child of Prince Robert of Luxembourg and Princess Julie of Nassau, passed away at the age of 22 on March 1. He was born with POLG Mitochondrial disease, a condition ...

At the end of June, Queen Mary joined her husband King Frederik, and her children Prince Vincent and Princess Josephine ... blouse with a high-waist grey woolen skirt as she attended a Rare Disease ...

Prince Harry gushed about his wife Meghan Markle’s new lifestyle company As Ever, describing himself as “incredibly proud” of her latest business venture.

As ever, Prince Harry is Meghan Markle’s no. 1 fan. Amid the launch of his wife's lifestyle brand As Ever—originally known as American Riviera Orchard—the Duke of Sussex gave a rare comment ...

Prince Charles of Luxembourg enjoyed a milestone moment this week when his parents, Hereditary Duke Guillaume and Hereditary Duchess Stéphanie, took him on his first official royal outing.